From patchwork Tue Jul 17 08:59:42 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar Lad X-Patchwork-Id: 1204041 Return-Path: X-Original-To: patchwork-davinci@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from comal.ext.ti.com (comal.ext.ti.com [198.47.26.152]) by patchwork1.kernel.org (Postfix) with ESMTP id 0296B3FC8E for ; Tue, 17 Jul 2012 09:00:17 +0000 (UTC) Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id q6H90G2a026057 for ; Tue, 17 Jul 2012 04:00:16 -0500 Received: from DFLE71.ent.ti.com (dfle71.ent.ti.com [128.247.5.62]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id q6H90GBf030106 for ; Tue, 17 Jul 2012 04:00:16 -0500 Received: from dlelxv23.itg.ti.com (172.17.1.198) by dfle71.ent.ti.com (128.247.5.62) with Microsoft SMTP Server id 14.1.323.3; Tue, 17 Jul 2012 04:00:16 -0500 Received: from linux.omap.com (dlelxs01.itg.ti.com [157.170.227.31]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with ESMTP id q6H90GMe003843 for ; Tue, 17 Jul 2012 04:00:16 -0500 Received: from linux.omap.com (localhost [127.0.0.1]) by linux.omap.com (Postfix) with ESMTP id D65CA8063D for ; Tue, 17 Jul 2012 04:00:15 -0500 (CDT) X-Original-To: davinci-linux-open-source@linux.davincidsp.com Delivered-To: davinci-linux-open-source@linux.davincidsp.com Received: from dbdp20.itg.ti.com (dbdp20.itg.ti.com [172.24.170.38]) by linux.omap.com (Postfix) with ESMTP id 4A56F80627 for ; Tue, 17 Jul 2012 04:00:05 -0500 (CDT) Received: from DBDE71.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id q6H9041p000405; Tue, 17 Jul 2012 14:30:04 +0530 (IST) Received: from dbdp33.itg.ti.com (172.24.170.252) by DBDE71.ent.ti.com (172.24.170.149) with Microsoft SMTP Server id 14.1.323.3; Tue, 17 Jul 2012 14:30:03 +0530 Received: from psplinux064 (smtpvbd.itg.ti.com [172.24.170.250]) by dbdp33.itg.ti.com (8.13.8/8.13.8) with ESMTP id q6H903ab006619; Tue, 17 Jul 2012 14:30:03 +0530 Received: from x0144960 by psplinux064 with local (Exim 4.71) (envelope-from ) id 1Sr3dT-0002o6-NM; Tue, 17 Jul 2012 14:30:03 +0530 From: Prabhakar Lad To: dlos , LAK Subject: [PATCH 1/2] ARM: davinci: dm365: add support for v4l2 video display Date: Tue, 17 Jul 2012 14:29:42 +0530 Message-ID: <1342515583-10613-2-git-send-email-prabhakar.lad@ti.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1342515583-10613-1-git-send-email-prabhakar.lad@ti.com> References: <1342515583-10613-1-git-send-email-prabhakar.lad@ti.com> MIME-Version: 1.0 CC: X-BeenThere: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: Errors-To: davinci-linux-open-source-bounces+patchwork-davinci=patchwork.kernel.org@linux.davincidsp.com From: Manjunath Hadli Create platform devices for various video modules like venc,osd, vpbe and v4l2 driver for dm365. Signed-off-by: Manjunath Hadli Signed-off-by: Lad, Prabhakar --- arch/arm/mach-davinci/board-dm365-evm.c | 4 +- arch/arm/mach-davinci/davinci.h | 2 +- arch/arm/mach-davinci/dm365.c | 214 +++++++++++++++++++++++++++++-- 3 files changed, 207 insertions(+), 13 deletions(-) diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 688a9c5..ac1f20d 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -564,8 +564,6 @@ static struct davinci_uart_config uart_config __initdata = { static void __init dm365_evm_map_io(void) { - /* setup input configuration for VPFE input devices */ - dm365_set_vpfe_config(&vpfe_cfg); dm365_init(); } @@ -597,6 +595,8 @@ static __init void dm365_evm_init(void) davinci_setup_mmc(0, &dm365evm_mmc_config); + dm365_init_video(&vpfe_cfg, NULL); + /* maybe setup mmc1/etc ... _after_ mmc0 */ evm_init_cpld(); diff --git a/arch/arm/mach-davinci/davinci.h b/arch/arm/mach-davinci/davinci.h index dce8484c..d9eb1a9 100644 --- a/arch/arm/mach-davinci/davinci.h +++ b/arch/arm/mach-davinci/davinci.h @@ -84,7 +84,7 @@ void __init dm365_init_ks(struct davinci_ks_platform_data *pdata); void __init dm365_init_rtc(void); void dm365_init_spi0(unsigned chipselect_mask, const struct spi_board_info *info, unsigned len); -void dm365_set_vpfe_config(struct vpfe_config *cfg); +int __init dm365_init_video(struct vpfe_config *, struct vpbe_config *); /* DM644x function declarations */ void __init dm644x_init(void); diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c index a50d49de..c839ccb 100644 --- a/arch/arm/mach-davinci/dm365.c +++ b/arch/arm/mach-davinci/dm365.c @@ -1232,6 +1232,210 @@ static struct platform_device dm365_isif_dev = { }, }; +#define DM365_OSD_REG_BASE 0x01C71C00 + +static struct resource dm365_osd_resources[] = { + { + .start = DM365_OSD_REG_BASE, + .end = DM365_OSD_REG_BASE + 0x100, + .flags = IORESOURCE_MEM, + }, +}; + +static u64 dm365_video_dma_mask = DMA_BIT_MASK(32); + +static struct osd_platform_data dm365_osd_data = { + .vpbe_type = VPBE_VERSION_2, +}; + +static struct platform_device dm365_osd_dev = { + .name = VPBE_OSD_SUBDEV_NAME, + .id = -1, + .num_resources = ARRAY_SIZE(dm365_osd_resources), + .resource = dm365_osd_resources, + .dev = { + .dma_mask = &dm365_video_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &dm365_osd_data, + }, +}; + +#define DM365_VENC_REG_BASE 0x01C71E00 +#define DM3XX_VDAC_CONFIG 0x01C4002C + +static struct resource dm365_venc_resources[] = { + { + .start = IRQ_VENCINT, + .end = IRQ_VENCINT, + .flags = IORESOURCE_IRQ, + }, + /* venc registers io space */ + { + .start = DM365_VENC_REG_BASE, + .end = DM365_VENC_REG_BASE + 0x180, + .flags = IORESOURCE_MEM, + }, + /* vdaccfg registers io space */ + { + .start = DM3XX_VDAC_CONFIG, + .end = DM3XX_VDAC_CONFIG + 4, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource dm365_v4l2_disp_resources[] = { + { + .start = IRQ_VENCINT, + .end = IRQ_VENCINT, + .flags = IORESOURCE_IRQ, + }, + /* venc registers io space */ + { + .start = DM365_VENC_REG_BASE, + .end = DM365_VENC_REG_BASE + 0x180, + .flags = IORESOURCE_MEM, + }, +}; + +static int dm365_vpbe_setup_pinmux(enum v4l2_mbus_pixelcode if_type, + int field) +{ + int ret = 0; + + switch (if_type) { + case V4L2_MBUS_FMT_SGRBG8_1X8: + davinci_cfg_reg(DM365_VOUT_FIELD_G81); + davinci_cfg_reg(DM365_VOUT_COUTL_EN); + davinci_cfg_reg(DM365_VOUT_COUTH_EN); + break; + case V4L2_MBUS_FMT_YUYV10_1X20: + if (field) + davinci_cfg_reg(DM365_VOUT_FIELD); + else + davinci_cfg_reg(DM365_VOUT_FIELD_G81); + davinci_cfg_reg(DM365_VOUT_COUTL_EN); + davinci_cfg_reg(DM365_VOUT_COUTH_EN); + break; + default: + ret = -EINVAL; + } + + return ret; +} + +#define DM365_VPSS_VENCCLKEN_ENABLE 0x8 +#define DM365_VPSS_DACCLKEN_ENABLE 0x10 +#define DM365_VPSS_PLLC2SYSCLK5 0x20 +#define DM365_VPSS_CLK_CTRL_ADDR 0x44 + +static int dm365_venc_setup_clock(enum vpbe_enc_timings_type type, + unsigned int mode) +{ + void __iomem *vpss_clkctl_reg; + int ret = 0; + + vpss_clkctl_reg = DAVINCI_SYSMOD_VIRT(DM365_VPSS_CLK_CTRL_ADDR); + + switch (type) { + case VPBE_ENC_STD: + vpss_enable_clock(VPSS_VENC_CLOCK_SEL, 1); + vpss_enable_clock(VPSS_VPBE_CLOCK, 1); + __raw_writel(DM365_VPSS_VENCCLKEN_ENABLE + + DM365_VPSS_DACCLKEN_ENABLE, vpss_clkctl_reg); + break; + case VPBE_ENC_DV_PRESET: + switch ((unsigned int)mode) { + case V4L2_DV_720P60: + case V4L2_DV_1080I60: + case V4L2_DV_1080P30: + case V4L2_DV_1080I30: + /* set sysclk4 to output 74.25 MHz from pll1 */ + __raw_writel(DM365_VPSS_PLLC2SYSCLK5 + + DM365_VPSS_DACCLKEN_ENABLE + + DM365_VPSS_VENCCLKEN_ENABLE, vpss_clkctl_reg); + break; + + /* For LCD and EDTV cases */ + case V4L2_DV_480P59_94: + case V4L2_DV_576P50: + vpss_enable_clock(VPSS_VENC_CLOCK_SEL, 1); + vpss_enable_clock(VPSS_VPBE_CLOCK, 1); + __raw_writel(DM365_VPSS_VENCCLKEN_ENABLE + + DM365_VPSS_DACCLKEN_ENABLE, vpss_clkctl_reg); + break; + default: + ret = -EINVAL; + } + break; + default: + ret = -EINVAL; + } + return ret; +} + +static struct platform_device dm365_vpbe_display = { + .name = "vpbe-v4l2", + .id = -1, + .num_resources = ARRAY_SIZE(dm365_v4l2_disp_resources), + .resource = dm365_v4l2_disp_resources, + .dev = { + .dma_mask = &dm365_video_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +struct venc_platform_data dm365_venc_pdata = { + .venc_type = VPBE_VERSION_2, + .setup_pinmux = dm365_vpbe_setup_pinmux, + .setup_clock = dm365_venc_setup_clock, +}; + +static struct platform_device dm365_venc_dev = { + .name = VPBE_VENC_SUBDEV_NAME, + .id = -1, + .num_resources = ARRAY_SIZE(dm365_venc_resources), + .resource = dm365_venc_resources, + .dev = { + .dma_mask = &dm365_video_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = (void *)&dm365_venc_pdata, + }, +}; + +static struct platform_device dm365_vpbe_dev = { + .name = "vpbe_controller", + .id = -1, + .dev = { + .dma_mask = &dm365_video_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +int __init dm365_init_video(struct vpfe_config *vpfe_cfg, + struct vpbe_config *vpbe_cfg) +{ + if (vpfe_cfg || vpbe_cfg) + platform_device_register(&dm365_vpss_device); + + if (vpfe_cfg) { + vpfe_capture_dev.dev.platform_data = vpfe_cfg; + platform_device_register(&dm365_isif_dev); + platform_device_register(&vpfe_capture_dev); + /* Add isif clock alias */ + clk_add_alias("master", dm365_isif_dev.name, "vpss_master", + NULL); + } + if (vpbe_cfg) { + dm365_vpbe_dev.dev.platform_data = vpbe_cfg; + platform_device_register(&dm365_osd_dev); + platform_device_register(&dm365_venc_dev); + platform_device_register(&dm365_vpbe_dev); + platform_device_register(&dm365_vpbe_display); + } + + return 0; +} + static int __init dm365_init_devices(void) { if (!cpu_is_davinci_dm365()) @@ -1245,16 +1449,6 @@ static int __init dm365_init_devices(void) clk_add_alias(NULL, dev_name(&dm365_mdio_device.dev), NULL, &dm365_emac_device.dev); - /* Add isif clock alias */ - clk_add_alias("master", dm365_isif_dev.name, "vpss_master", NULL); - platform_device_register(&dm365_vpss_device); - platform_device_register(&dm365_isif_dev); - platform_device_register(&vpfe_capture_dev); return 0; } postcore_initcall(dm365_init_devices); - -void dm365_set_vpfe_config(struct vpfe_config *cfg) -{ - vpfe_capture_dev.dev.platform_data = cfg; -}