From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from bear.ext.ti.com ([192.94.94.41]:38975 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755281AbZAMCEI convert rfc822-to-8bit (ORCPT ); Mon, 12 Jan 2009 21:04:08 -0500 From: "Aguirre Rodriguez, Sergio Alberto" To: "linux-omap@vger.kernel.org" CC: "linux-media@vger.kernel.org" , "video4linux-list@redhat.com" , Sakari Ailus , "Tuukka.O Toivonen" , "Nagalla, Hari" Date: Mon, 12 Jan 2009 20:03:42 -0600 Subject: [REVIEW PATCH 14/14] OMAP34XX: CAM: Add Sensors Support Message-ID: Content-Language: en-US Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org List-ID: This adds support in OMAP34xx SDP board file for MT9P012 Sensor and DW9710 Lens driver. Signed-off-by: Sergio Aguirre --- arch/arm/mach-omap2/board-3430sdp.c | 319 ++++++++++++++++++++++++++++++++++- 1 files changed, 318 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index ade186b..8fa1d4d 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include @@ -40,6 +41,31 @@ #include #include +#ifdef CONFIG_VIDEO_OMAP3 +#include +#include <../drivers/media/video/omap34xxcam.h> +#include <../drivers/media/video/isp/ispreg.h> +#if defined(CONFIG_VIDEO_MT9P012) || defined(CONFIG_VIDEO_MT9P012_MODULE) +/* Sensor specific GPIO signals */ +#define MT9P012_RESET_GPIO 98 +#define MT9P012_STANDBY_GPIO 58 + +#define MT9P012_USE_XCLKA 0 +#define MT9P012_USE_XCLKB 1 + +#define VAUX_2_8_V 0x09 +#define VAUX_DEV_GRP_P1 0x20 +#define VAUX_DEV_GRP_NONE 0x00 + +#include +static enum v4l2_power mt9p012_previous_power = V4L2_POWER_OFF; +#endif +#endif + +#ifdef CONFIG_VIDEO_DW9710 +#include +#endif + #include #include #include @@ -238,6 +264,281 @@ static struct spi_board_info sdp3430_spi_board_info[] __initdata = { }, }; +#ifdef CONFIG_VIDEO_OMAP3 +#define DEBUG_BASE 0x08000000 +#define REG_SDP3430_FPGA_GPIO_2 (0x50) +#define FPGA_SPR_GPIO1_3v3 (0x1 << 14) +#define FPGA_GPIO6_DIR_CTRL (0x1 << 6) + +static void __iomem *fpga_map_addr; + +static void enable_fpga_vio_1v8(u8 enable) +{ + u16 reg_val; + + fpga_map_addr = ioremap(DEBUG_BASE, 4096); + reg_val = readw(fpga_map_addr + REG_SDP3430_FPGA_GPIO_2); + + /* Ensure that the SPR_GPIO1_3v3 is 0 - powered off.. 1 is on */ + if (reg_val & FPGA_SPR_GPIO1_3v3) { + reg_val |= FPGA_SPR_GPIO1_3v3; + reg_val |= FPGA_GPIO6_DIR_CTRL; /* output mode */ + writew(reg_val, fpga_map_addr + REG_SDP3430_FPGA_GPIO_2); + /* give a few milli sec to settle down + * Let the sensor also settle down.. if required.. + */ + if (enable) + mdelay(10); + } + + if (enable) { + reg_val |= FPGA_SPR_GPIO1_3v3 | FPGA_GPIO6_DIR_CTRL; + writew(reg_val, fpga_map_addr + REG_SDP3430_FPGA_GPIO_2); + } + /* Vrise time for the voltage - should be less than 1 ms */ + mdelay(1); +} +#endif + +#ifdef CONFIG_VIDEO_DW9710 +static int dw9710_lens_power_set(enum v4l2_power power) +{ + + /* The power change depends on MT9P012 powerup, so if we request a + * power state different from sensor, we should return error + */ + if ((mt9p012_previous_power != V4L2_POWER_OFF) && + (power != mt9p012_previous_power)) + return -EIO; + + switch (power) { + case V4L2_POWER_OFF: + /* Power Down Sequence */ +#ifdef CONFIG_TWL4030_CORE + twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, + VAUX_DEV_GRP_NONE, TWL4030_VAUX2_DEV_GRP); +#else +#error "no power companion board defined!" +#endif + enable_fpga_vio_1v8(0); + gpio_free(MT9P012_RESET_GPIO); + iounmap(fpga_map_addr); + gpio_free(MT9P012_STANDBY_GPIO); + break; + case V4L2_POWER_ON: + /* Request and configure gpio pins */ + if (gpio_request(MT9P012_STANDBY_GPIO, + "mt9p012_standby_gpio")) { + printk(KERN_WARNING "Could not request GPIO %d" + " for MT9P012\n", + MT9P012_STANDBY_GPIO); + return -EIO; + } + + /* Request and configure gpio pins */ + if (gpio_request(MT9P012_RESET_GPIO, "mt9p012_reset_gpio")) + return -EIO; + + /* set to output mode */ + gpio_direction_output(MT9P012_STANDBY_GPIO, true); + /* set to output mode */ + gpio_direction_output(MT9P012_RESET_GPIO, true); + + /* STANDBY_GPIO is active HIGH for set LOW to release */ + gpio_set_value(MT9P012_STANDBY_GPIO, 1); + + /* nRESET is active LOW. set HIGH to release reset */ + gpio_set_value(MT9P012_RESET_GPIO, 1); + + /* turn on digital power */ + enable_fpga_vio_1v8(1); +#ifdef CONFIG_TWL4030_CORE + /* turn on analog power */ + twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, + VAUX_2_8_V, TWL4030_VAUX2_DEDICATED); + twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, + VAUX_DEV_GRP_P1, TWL4030_VAUX2_DEV_GRP); +#else +#error "no power companion board defined!" +#endif + /* out of standby */ + gpio_set_value(MT9P012_STANDBY_GPIO, 0); + udelay(1000); + + /* have to put sensor to reset to guarantee detection */ + gpio_set_value(MT9P012_RESET_GPIO, 0); + + udelay(1500); + + /* nRESET is active LOW. set HIGH to release reset */ + gpio_set_value(MT9P012_RESET_GPIO, 1); + /* give sensor sometime to get out of the reset. + * Datasheet says 2400 xclks. At 6 MHz, 400 usec is + * enough + */ + udelay(300); + break; + case V4L2_POWER_STANDBY: + break; + } + return 0; +} + +static int dw9710_lens_set_prv_data(void *priv) +{ + struct omap34xxcam_hw_config *hwc = priv; + + hwc->dev_index = 0; + hwc->dev_minor = 0; + hwc->dev_type = OMAP34XXCAM_SLAVE_LENS; + + return 0; +} + +static struct dw9710_platform_data sdp3430_dw9710_platform_data = { + .power_set = dw9710_lens_power_set, + .priv_data_set = dw9710_lens_set_prv_data, +}; +#endif + +#if defined(CONFIG_VIDEO_MT9P012) || defined(CONFIG_VIDEO_MT9P012_MODULE) +static struct omap34xxcam_sensor_config cam_hwc = { + .sensor_isp = 0, + .xclk = OMAP34XXCAM_XCLK_A, + .capture_mem = PAGE_ALIGN(2592 * 1944 * 2) * 4, +}; + +static int mt9p012_sensor_set_prv_data(void *priv) +{ + struct omap34xxcam_hw_config *hwc = priv; + + hwc->u.sensor.xclk = cam_hwc.xclk; + hwc->u.sensor.sensor_isp = cam_hwc.sensor_isp; + hwc->u.sensor.capture_mem = cam_hwc.capture_mem; + hwc->dev_index = 0; + hwc->dev_minor = 0; + hwc->dev_type = OMAP34XXCAM_SLAVE_SENSOR; + return 0; +} + +static struct isp_interface_config mt9p012_if_config = { + .ccdc_par_ser = ISP_PARLL, + .dataline_shift = 0x1, + .hsvs_syncdetect = ISPCTRL_SYNC_DETECT_VSRISE, + .vdint0_timing = 0x0, + .vdint1_timing = 0x0, + .strobe = 0x0, + .prestrobe = 0x0, + .shutter = 0x0, + .prev_sph = 2, + .prev_slv = 0, + .wenlog = ISPCCDC_CFG_WENLOG_OR, + .u.par.par_bridge = 0x0, + .u.par.par_clk_pol = 0x0, +}; + +static int mt9p012_sensor_power_set(enum v4l2_power power) +{ + switch (power) { + case V4L2_POWER_OFF: + /* Power Down Sequence */ +#ifdef CONFIG_TWL4030_CORE + twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, + VAUX_DEV_GRP_NONE, TWL4030_VAUX2_DEV_GRP); +#else +#error "no power companion board defined!" +#endif + enable_fpga_vio_1v8(0); + gpio_free(MT9P012_RESET_GPIO); + iounmap(fpga_map_addr); + gpio_free(MT9P012_STANDBY_GPIO); + break; + case V4L2_POWER_ON: + if (mt9p012_previous_power == V4L2_POWER_OFF) { + /* Power Up Sequence */ + isp_configure_interface(&mt9p012_if_config); + + /* Request and configure gpio pins */ + if (gpio_request(MT9P012_STANDBY_GPIO, + "mt9p012_standby_gpio")) { + printk(KERN_WARNING "Could not request GPIO %d" + " for MT9P012\n", + MT9P012_STANDBY_GPIO); + return -EIO; + } + + /* Request and configure gpio pins */ + if (gpio_request(MT9P012_RESET_GPIO, + "mt9p012_reset_gpio")) + return -EIO; + + /* set to output mode */ + gpio_direction_output(MT9P012_STANDBY_GPIO, true); + /* set to output mode */ + gpio_direction_output(MT9P012_RESET_GPIO, true); + + /* STANDBY_GPIO is active HIGH for set LOW to release */ + gpio_set_value(MT9P012_STANDBY_GPIO, 1); + + /* nRESET is active LOW. set HIGH to release reset */ + gpio_set_value(MT9P012_RESET_GPIO, 1); + + /* turn on digital power */ + enable_fpga_vio_1v8(1); +#ifdef CONFIG_TWL4030_CORE + /* turn on analog power */ + twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, + VAUX_2_8_V, TWL4030_VAUX2_DEDICATED); + twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, + VAUX_DEV_GRP_P1, TWL4030_VAUX2_DEV_GRP); +#else +#error "no power companion board defined!" +#endif + } + + /* out of standby */ + gpio_set_value(MT9P012_STANDBY_GPIO, 0); + udelay(1000); + + if (mt9p012_previous_power == V4L2_POWER_OFF) { + /* have to put sensor to reset to guarantee detection */ + gpio_set_value(MT9P012_RESET_GPIO, 0); + + udelay(1500); + + /* nRESET is active LOW. set HIGH to release reset */ + gpio_set_value(MT9P012_RESET_GPIO, 1); + /* give sensor sometime to get out of the reset. + * Datasheet says 2400 xclks. At 6 MHz, 400 usec is + * enough + */ + udelay(300); + } + break; + case V4L2_POWER_STANDBY: + /* stand by */ + gpio_set_value(MT9P012_STANDBY_GPIO, 1); + break; + } + /* Save powerstate to know what was before calling POWER_ON. */ + mt9p012_previous_power = power; + return 0; +} + +static u32 mt9p012_sensor_set_xclk(u32 xclkfreq) +{ + return isp_set_xclk(xclkfreq, MT9P012_USE_XCLKA); +} + +static struct mt9p012_platform_data sdp3430_mt9p012_platform_data = { + .power_set = mt9p012_sensor_power_set, + .priv_data_set = mt9p012_sensor_set_prv_data, + .set_xclk = mt9p012_sensor_set_xclk, +}; + +#endif + + static struct platform_device sdp3430_lcd_device = { .name = "sdp2430_lcd", .id = -1, @@ -434,11 +735,27 @@ static struct i2c_board_info __initdata sdp3430_i2c_boardinfo[] = { }, }; +static struct i2c_board_info __initdata sdp3430_i2c_boardinfo_2[] = { +#if defined(CONFIG_VIDEO_MT9P012) || defined(CONFIG_VIDEO_MT9P012_MODULE) + { + I2C_BOARD_INFO("mt9p012", MT9P012_I2C_ADDR), + .platform_data = &sdp3430_mt9p012_platform_data, + }, +#ifdef CONFIG_VIDEO_DW9710 + { + I2C_BOARD_INFO(DW9710_NAME, DW9710_AF_I2C_ADDR), + .platform_data = &sdp3430_dw9710_platform_data, + }, +#endif +#endif +}; + static int __init omap3430_i2c_init(void) { omap_register_i2c_bus(1, 2600, sdp3430_i2c_boardinfo, ARRAY_SIZE(sdp3430_i2c_boardinfo)); - omap_register_i2c_bus(2, 400, NULL, 0); + omap_register_i2c_bus(2, 400, sdp3430_i2c_boardinfo_2, + ARRAY_SIZE(sdp3430_i2c_boardinfo_2)); omap_register_i2c_bus(3, 400, NULL, 0); return 0; } -- 1.5.6.5