From patchwork Fri Mar 22 08:09:28 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 2318541 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id 8FD40400E6 for ; Fri, 22 Mar 2013 08:16:38 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UIx2x-0008GK-Fs; Fri, 22 Mar 2013 08:09:55 +0000 Received: from mail-pd0-f181.google.com ([209.85.192.181]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UIx2u-0008FZ-Bk for linux-arm-kernel@lists.infradead.org; Fri, 22 Mar 2013 08:09:53 +0000 Received: by mail-pd0-f181.google.com with SMTP id q10so1478081pdj.40 for ; Fri, 22 Mar 2013 01:09:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=kg8pACBY89CsDRnPzpMQOPic5wvgHhXVC3vnzx+iljg=; b=YYhpVGFbsxEpbyyPuT0O0bi5mgl4Nnm+5W4b5o1iY8jDdxX4GmPJPyX0eCB/fUyCOp OFZOTzQvsDzn0MWPxMe9Swe/N0Ax13RFrUwIzpeMCeA8GpGsGKHAz5BCad3Qs+IcfTuh DqemLhhiLp431DByYvuJNnlMoQQZE0qDb6OPetNEeiF9sEXxF05ntk/V6K0O3EMdc3rm upDdNMmLNjQrv19EyG2Q6GbBXE5McC9+mEuIvze7DtkErovKg14ud1uCK7IcTsIyoqk3 i4FtYFJC+ONy32EHLq35ZFcQQT3xTtwF+wx82TOl1Uz10Fv/a4y9hl1RqJxCe/YVIssy iDDA== X-Received: by 10.66.220.197 with SMTP id py5mr1871254pac.86.1363939791222; Fri, 22 Mar 2013 01:09:51 -0700 (PDT) Received: from localhost.localdomain ([59.98.241.192]) by mx.google.com with ESMTPS id tm1sm1534025pbc.11.2013.03.22.01.09.47 (version=TLSv1 cipher=RC4-SHA bits=128/128); Fri, 22 Mar 2013 01:09:50 -0700 (PDT) From: Prabhakar lad To: DLOS , LAK , Sekhar Nori Subject: [PATCH v6 1/2] ARM: davinci: dm355: add support for v4l2 video display Date: Fri, 22 Mar 2013 13:39:28 +0530 Message-Id: <1363939769-22506-2-git-send-email-prabhakar.csengg@gmail.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1363939769-22506-1-git-send-email-prabhakar.csengg@gmail.com> References: <1363939769-22506-1-git-send-email-prabhakar.csengg@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130322_040952_616023_AD6255B2 X-CRM114-Status: GOOD ( 20.82 ) X-Spam-Score: -2.0 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [209.85.192.181 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (prabhakar.csengg[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature Cc: "Lad, Prabhakar" , LKML X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Lad, Prabhakar Create platform devices for various video modules like venc,osd, vpbe and v4l2 driver for dm355. Signed-off-by: Lad, Prabhakar --- arch/arm/mach-davinci/board-dm355-evm.c | 4 +- arch/arm/mach-davinci/davinci.h | 2 +- arch/arm/mach-davinci/dm355.c | 181 ++++++++++++++++++++++++++++++- 3 files changed, 179 insertions(+), 8 deletions(-) diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c index 147b8e1..37d12cc 100644 --- a/arch/arm/mach-davinci/board-dm355-evm.c +++ b/arch/arm/mach-davinci/board-dm355-evm.c @@ -253,8 +253,6 @@ static struct davinci_uart_config uart_config __initdata = { static void __init dm355_evm_map_io(void) { - /* setup input configuration for VPFE input devices */ - dm355_set_vpfe_config(&vpfe_cfg); dm355_init(); } @@ -344,6 +342,8 @@ static __init void dm355_evm_init(void) davinci_setup_mmc(0, &dm355evm_mmc_config); davinci_setup_mmc(1, &dm355evm_mmc_config); + dm355_init_video(&vpfe_cfg, NULL); + dm355_init_spi0(BIT(0), dm355_evm_spi_info, ARRAY_SIZE(dm355_evm_spi_info)); diff --git a/arch/arm/mach-davinci/davinci.h b/arch/arm/mach-davinci/davinci.h index 1c2670f..acfe0bb 100644 --- a/arch/arm/mach-davinci/davinci.h +++ b/arch/arm/mach-davinci/davinci.h @@ -74,7 +74,7 @@ void __init dm355_init(void); void dm355_init_spi0(unsigned chipselect_mask, const struct spi_board_info *info, unsigned len); void __init dm355_init_asp1(u32 evt_enable, struct snd_platform_data *pdata); -void dm355_set_vpfe_config(struct vpfe_config *cfg); +int __init dm355_init_video(struct vpfe_config *, struct vpbe_config *); /* DM365 function declarations */ void __init dm365_init(void); diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c index a917983..20fc75c 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c @@ -36,6 +36,17 @@ #define DM355_UART2_BASE (IO_PHYS + 0x206000) +#define DM355_VDAC_CONFIG 0x01c4002c + +#define DM355_OSD_BASE 0x01c70200 + +#define DM355_VENC_BASE 0x01c70400 + +#define DM355_VPSS_CLK_CTRL_ADDR 0x44 +#define DM355_VPSS_MUXSEL_EXTCLK_ENABLE BIT(1) +#define DM355_VPSS_VENCCLKEN_ENABLE BIT(3) +#define DM355_VPSS_DACCLKEN_ENABLE BIT(4) + /* * Device specific clocks */ @@ -744,11 +755,151 @@ static struct platform_device vpfe_capture_dev = { }, }; -void dm355_set_vpfe_config(struct vpfe_config *cfg) +static struct resource dm355_osd_resources[] = { + { + .start = DM355_OSD_BASE, + .end = DM355_OSD_BASE + 0x180, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device dm355_osd_dev = { + .name = DM355_VPBE_OSD_SUBDEV_NAME, + .id = -1, + .num_resources = ARRAY_SIZE(dm355_osd_resources), + .resource = dm355_osd_resources, + .dev = { + .dma_mask = &vpfe_capture_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +static struct resource dm355_venc_resources[] = { + { + .start = IRQ_VENCINT, + .end = IRQ_VENCINT, + .flags = IORESOURCE_IRQ, + }, + /* venc registers io space */ + { + .start = DM355_VENC_BASE, + .end = DM355_VENC_BASE + 0x180, + .flags = IORESOURCE_MEM, + }, + /* VDAC config register io space */ + { + .start = DM355_VDAC_CONFIG, + .end = DM355_VDAC_CONFIG + 3, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource dm355_v4l2_disp_resources[] = { + { + .start = IRQ_VENCINT, + .end = IRQ_VENCINT, + .flags = IORESOURCE_IRQ, + }, + /* venc registers io space */ + { + .start = DM355_VENC_BASE, + .end = DM355_VENC_BASE + 0x180, + .flags = IORESOURCE_MEM, + }, +}; + +static int dm355_vpbe_setup_pinmux(enum v4l2_mbus_pixelcode if_type, + int field) { - vpfe_capture_dev.dev.platform_data = cfg; + switch (if_type) { + case V4L2_MBUS_FMT_SGRBG8_1X8: + davinci_cfg_reg(DM355_VOUT_FIELD_G70); + break; + + case V4L2_MBUS_FMT_YUYV10_1X20: + if (field) + davinci_cfg_reg(DM355_VOUT_FIELD); + else + davinci_cfg_reg(DM355_VOUT_FIELD_G70); + break; + + default: + return -EINVAL; + } + + davinci_cfg_reg(DM355_VOUT_COUTL_EN); + davinci_cfg_reg(DM355_VOUT_COUTH_EN); + + return 0; +} + +static int dm355_venc_setup_clock(enum vpbe_enc_timings_type type, + unsigned int pclock) +{ + void __iomem *vpss_clk_ctrl_reg; + + vpss_clk_ctrl_reg = DAVINCI_SYSMOD_VIRT(DM355_VPSS_CLK_CTRL_ADDR); + + switch (type) { + case VPBE_ENC_STD: + writel(DM355_VPSS_DACCLKEN_ENABLE | + DM355_VPSS_VENCCLKEN_ENABLE, vpss_clk_ctrl_reg); + break; + + case VPBE_ENC_DV_TIMINGS: + if (pclock > 27000000) + /* + * For HD, use external clock source since we cannot + * support HD mode with internal clocks. + */ + writel(DM355_VPSS_MUXSEL_EXTCLK_ENABLE, + vpss_clk_ctrl_reg); + break; + + default: + return -EINVAL; + } + + return 0; } +static struct platform_device dm355_vpbe_display = { + .name = "vpbe-v4l2", + .id = -1, + .num_resources = ARRAY_SIZE(dm355_v4l2_disp_resources), + .resource = dm355_v4l2_disp_resources, + .dev = { + .dma_mask = &vpfe_capture_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +struct venc_platform_data dm355_venc_pdata = { + .setup_pinmux = dm355_vpbe_setup_pinmux, + .setup_clock = dm355_venc_setup_clock, +}; + +static struct platform_device dm355_venc_dev = { + .name = DM355_VPBE_VENC_SUBDEV_NAME, + .id = -1, + .num_resources = ARRAY_SIZE(dm355_venc_resources), + .resource = dm355_venc_resources, + .dev = { + .dma_mask = &vpfe_capture_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = (void *)&dm355_venc_pdata, + }, +}; + +static struct platform_device dm355_vpbe_dev = { + .name = "vpbe_controller", + .id = -1, + .dev = { + .dma_mask = &vpfe_capture_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + /*----------------------------------------------------------------------*/ static struct map_desc dm355_io_desc[] = { @@ -868,6 +1019,29 @@ void __init dm355_init(void) davinci_map_sysmod(); } +int __init dm355_init_video(struct vpfe_config *vpfe_cfg, + struct vpbe_config *vpbe_cfg) +{ + if (vpfe_cfg || vpbe_cfg) + platform_device_register(&dm355_vpss_device); + + if (vpfe_cfg) { + vpfe_capture_dev.dev.platform_data = vpfe_cfg; + platform_device_register(&dm355_ccdc_dev); + platform_device_register(&vpfe_capture_dev); + } + + if (vpbe_cfg) { + dm355_vpbe_dev.dev.platform_data = vpbe_cfg; + platform_device_register(&dm355_osd_dev); + platform_device_register(&dm355_venc_dev); + platform_device_register(&dm355_vpbe_dev); + platform_device_register(&dm355_vpbe_display); + } + + return 0; +} + static int __init dm355_init_devices(void) { if (!cpu_is_davinci_dm355()) @@ -875,9 +1049,6 @@ static int __init dm355_init_devices(void) davinci_cfg_reg(DM355_INT_EDMA_CC); platform_device_register(&dm355_edma_device); - platform_device_register(&dm355_vpss_device); - platform_device_register(&dm355_ccdc_dev); - platform_device_register(&vpfe_capture_dev); return 0; }