From patchwork Fri Jul 20 14:29:16 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar Lad X-Patchwork-Id: 1221331 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 554F4E0038 for ; Fri, 20 Jul 2012 14:39:53 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1SsEHj-0001Zv-3S; Fri, 20 Jul 2012 14:34:27 +0000 Received: from comal.ext.ti.com ([198.47.26.152]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1SsEH6-0001YU-Rb for linux-arm-kernel@lists.infradead.org; Fri, 20 Jul 2012 14:33:51 +0000 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id q6KEXlUl009489 for ; Fri, 20 Jul 2012 09:33:47 -0500 Received: from DBDE70.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id q6KEXjwW020222; Fri, 20 Jul 2012 20:03:45 +0530 (IST) Received: from dbdp32.itg.ti.com (172.24.170.251) by dbde70.ent.ti.com (172.24.170.148) with Microsoft SMTP Server id 14.1.323.3; Fri, 20 Jul 2012 20:03:44 +0530 Received: from localhost.localdomain (dbdp20.itg.ti.com [172.24.170.38]) by dbdp32.itg.ti.com (8.13.8/8.13.8) with ESMTP id q6KEXUjH006374; Fri, 20 Jul 2012 20:03:44 +0530 From: Prabhakar Lad To: LAK Subject: [PATCH v2 1/2] ARM: davinci: dm365: add support for v4l2 video display Date: Fri, 20 Jul 2012 19:59:16 +0530 Message-ID: <1342794557-16951-2-git-send-email-prabhakar.lad@ti.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1342794557-16951-1-git-send-email-prabhakar.lad@ti.com> References: <1342794557-16951-1-git-send-email-prabhakar.lad@ti.com> MIME-Version: 1.0 X-Spam-Note: CRM114 invocation failed X-Spam-Score: -6.9 (------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-6.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [198.47.26.152 listed in list.dnswl.org] -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: dlos , Sekhar Nori , Manjunath Hadli , "Lad, Prabhakar" X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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 | 218 +++++++++++++++++++++++++++++-- 3 files changed, 211 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 8db0fc6..94d867f 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 a50d49d..1cca3dd 100644 --- a/arch/arm/mach-davinci/dm365.c +++ b/arch/arm/mach-davinci/dm365.c @@ -1232,6 +1232,214 @@ 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) { + /* Add vpss clock alias */ + clk_add_alias("master", dm365_vpss_device.name, "vpss_master", + NULL); + 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 +1453,6 @@ 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; -}