Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758293Ab2HHNPL (ORCPT ); Wed, 8 Aug 2012 09:15:11 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:36317 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758127Ab2HHNPJ (ORCPT ); Wed, 8 Aug 2012 09:15:09 -0400 From: Prabhakar Lad To: LAK CC: dlos , , Sekhar Nori , Manjunath Hadli , "Lad, Prabhakar" Subject: [PATCH v3 1/2] ARM: davinci: dm355: add support for v4l2 video display Date: Wed, 8 Aug 2012 18:44:36 +0530 Message-ID: <1344431677-32030-2-git-send-email-prabhakar.lad@ti.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1344431677-32030-1-git-send-email-prabhakar.lad@ti.com> References: <1344431677-32030-1-git-send-email-prabhakar.lad@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 8354 Lines: 294 From: Manjunath Hadli Create platform devices for various video modules like venc,osd, vpbe and v4l2 driver for dm355. Signed-off-by: Manjunath Hadli 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 | 203 +++++++++++++++++++++++++++++-- 3 files changed, 198 insertions(+), 11 deletions(-) diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c index 1c7b1f4..b9bb0fb 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 94d867f..d9eb1a9 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 678cd99..5f86596 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c @@ -713,6 +713,7 @@ static struct resource vpfe_resources[] = { }; static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32); + static struct resource dm355_ccdc_resource[] = { /* CCDC Base address */ { @@ -744,11 +745,177 @@ static struct platform_device vpfe_capture_dev = { }, }; -void dm355_set_vpfe_config(struct vpfe_config *cfg) +#define DM355_OSD_REG_BASE 0x01C70200 + +static struct resource dm355_osd_resources[] = { + { + .start = DM355_OSD_REG_BASE, + .end = DM355_OSD_REG_BASE + 0x180, + .flags = IORESOURCE_MEM, + }, +}; + +static struct osd_platform_data dm355_osd_data = { + .vpbe_type = VPBE_VERSION_3, +}; + +static struct platform_device dm355_osd_dev = { + .name = 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), + .platform_data = &dm355_osd_data, + }, +}; + +#define DM355_VENC_REG_BASE 0x01C70400 +#define DM3XX_VDAC_CONFIG 0x01C4002C + +static struct resource dm355_venc_resources[] = { + { + .start = IRQ_VENCINT, + .end = IRQ_VENCINT, + .flags = IORESOURCE_IRQ, + }, + /* venc registers io space */ + { + .start = DM355_VENC_REG_BASE, + .end = DM355_VENC_REG_BASE + 0x180, + .flags = IORESOURCE_MEM, + }, + /* VDAC config register io space */ + { + .start = DM3XX_VDAC_CONFIG, + .end = DM3XX_VDAC_CONFIG + 4, + .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_REG_BASE, + .end = DM355_VENC_REG_BASE + 0x180, + .flags = IORESOURCE_MEM, + }, +}; + +static int dm355_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(DM355_VOUT_COUTL_EN); + davinci_cfg_reg(DM355_VOUT_COUTH_EN); + davinci_cfg_reg(DM355_VOUT_FIELD_G70); + break; + case V4L2_MBUS_FMT_YUYV10_1X20: + /* + * This was VPBE_DIGITAL_IF_YCC16. Replace the enum + * accordingly when the right one gets into open source + */ + if (field) + davinci_cfg_reg(DM355_VOUT_FIELD); + else + davinci_cfg_reg(DM355_VOUT_FIELD_G70); + davinci_cfg_reg(DM355_VOUT_COUTL_EN); + davinci_cfg_reg(DM355_VOUT_COUTH_EN); + break; + default: + ret = -EINVAL; + } + return ret; +} + +static inline u32 dm355_reg_modify(void *reg, u32 val, u32 mask) +{ + u32 new_val = (__raw_readl(reg) & ~mask) | (val & mask); + __raw_writel(new_val, reg); + return new_val; +} + +#define DM355_EXTERNAL_CLK_HD 0xa +#define DM355_VPSS_VENCCLKEN_ENABLE 0x8 +#define DM355_VPSS_DACCLKEN_ENABLE 0x10 +#define DM355_VPSS_CLK_CTRL_ADDR 0x44 + +static int dm355_venc_setup_clock(enum vpbe_enc_timings_type type, + unsigned int pclock) { - vpfe_capture_dev.dev.platform_data = cfg; + void __iomem *vpss_clk_ctrl_reg; + int ret = 0; + + vpss_clk_ctrl_reg = DAVINCI_SYSMOD_VIRT(DM355_VPSS_CLK_CTRL_ADDR); + + switch (type) { + case VPBE_ENC_STD: + vpss_enable_clock(VPSS_VENC_CLOCK_SEL, 0); + __raw_writel(DM355_VPSS_DACCLKEN_ENABLE + + DM355_VPSS_VENCCLKEN_ENABLE, vpss_clk_ctrl_reg); + break; + case VPBE_ENC_CUSTOM_TIMINGS: + if (pclock > 27000000) { + /* + * For HD, use external clock source since we cannot + * support HD mode with internal clocks. + */ + __raw_writel(DM355_EXTERNAL_CLK_HD, vpss_clk_ctrl_reg); + } + break; + default: + ret = -EINVAL; + } + return ret; } +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 = { + .venc_type = VPBE_VERSION_3, + .setup_pinmux = dm355_vpbe_setup_pinmux, + .setup_clock = dm355_venc_setup_clock, +}; + +static struct platform_device dm355_venc_dev = { + .name = 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[] = { @@ -874,19 +1041,39 @@ 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) { + /* Add ccdc clock aliases */ + clk_add_alias("master", dm355_ccdc_dev.name, + "vpss_master", NULL); + clk_add_alias("slave", dm355_ccdc_dev.name, "vpss_slave", NULL); + 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()) return 0; - /* Add ccdc clock aliases */ - clk_add_alias("master", dm355_ccdc_dev.name, "vpss_master", NULL); - clk_add_alias("slave", dm355_ccdc_dev.name, "vpss_master", NULL); 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; } -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/