/* * tvp5150 - Texas Instruments TVP5150A/AM1 video decoder driver * * Copyright (c) 2005,2006 Mauro Carvalho Chehab (mchehab@infradead.org) * This code is placed under the terms of the GNU General Public License v2 */ #include <linux/i2c.h> #include <linux/videodev2.h> #include <linux/delay.h> #include <linux/video_decoder.h> #include <media/v4l2-common.h> #include <media/tvp5150.h> #include "tvp5150_reg.h" MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver"); MODULE_AUTHOR("Mauro Carvalho Chehab"); MODULE_LICENSE("GPL"); /* standard i2c insmod options */ static unsigned short normal_i2c[] = { 0xb8 >> 1, 0xba >> 1, I2C_CLIENT_END }; I2C_CLIENT_INSMOD; static int debug; module_param(debug, int, 0); MODULE_PARM_DESC(debug, "Debug level (0-1)"); #define tvp5150_err(fmt, arg...) do { \ printk(KERN_ERR "%s %d-%04x: " fmt, c->driver->driver.name, \ i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0) #define tvp5150_info(fmt, arg...) do { \ printk(KERN_INFO "%s %d-%04x: " fmt, c->driver->driver.name, \ i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0) #define tvp5150_dbg(num, fmt, arg...) \ do { \ if (debug >= num) \ printk(KERN_DEBUG "%s debug %d-%04x: " fmt,\ c->driver->driver.name, \ i2c_adapter_id(c->adapter), \ c->addr , ## arg); } while (0) /* supported controls */ static struct v4l2_queryctrl tvp5150_qctrl[] = { { .id = V4L2_CID_BRIGHTNESS, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Brightness", .minimum = 0, .maximum = 255, .step = 1, .default_value = 128, .flags = 0, }, { .id = V4L2_CID_CONTRAST, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Contrast", .minimum = 0, .maximum = 255, .step = 0x1, .default_value = 128, .flags = 0, }, { .id = V4L2_CID_SATURATION, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Saturation", .minimum = 0, .maximum = 255, .step = 0x1, .default_value = 128, .flags = 0, }, { .id = V4L2_CID_HUE, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Hue", .minimum = -128, .maximum = 127, .step = 0x1, .default_value = 0, .flags = 0, } }; struct tvp5150 { struct i2c_client *client; v4l2_std_id norm; /* Current set standard */ struct v4l2_routing route; int enable; int bright; int contrast; int hue; int sat; }; static int tvp5150_read(struct i2c_client *c, unsigned char addr) { unsigned char buffer[1]; int rc; buffer[0] = addr; if (1 != (rc = i2c_master_send(c, buffer, 1))) tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc); msleep(10); if (1 != (rc = i2c_master_recv(c, buffer, 1))) tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc); tvp5150_dbg(2, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]); return (buffer[0]); } static inline void tvp5150_write(struct i2c_client *c, unsigned char addr, unsigned char value) { unsigned char buffer[2]; int rc; buffer[0] = addr; buffer[1] = value; tvp5150_dbg(2, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]); if (2 != (rc = i2c_master_send(c, buffer, 2))) tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 2)\n", rc); } static void dump_reg_range(struct i2c_client *c, char *s, u8 init, const u8 end,int max_line) { int i=0; while (init!=(u8)(end+1)) { if ((i%max_line) == 0) { if (i>0) printk("\n"); printk("tvp5150: %s reg 0x%02x = ",s,init); } printk("%02x ",tvp5150_read(c, init)); init++; i++; } printk("\n"); } static void dump_reg(struct i2c_client *c) { printk("tvp5150: Video input source selection #1 = 0x%02x\n", tvp5150_read(c, TVP5150_VD_IN_SRC_SEL_1)); printk("tvp5150: Analog channel controls = 0x%02x\n", tvp5150_read(c, TVP5150_ANAL_CHL_CTL)); printk("tvp5150: Operation mode controls = 0x%02x\n", tvp5150_read(c, TVP5150_OP_MODE_CTL)); printk("tvp5150: Miscellaneous controls = 0x%02x\n", tvp5150_read(c, TVP5150_MISC_CTL)); printk("tvp5150: Autoswitch mask= 0x%02x\n", tvp5150_read(c, TVP5150_AUTOSW_MSK)); printk("tvp5150: Color killer threshold control = 0x%02x\n", tvp5150_read(c, TVP5150_COLOR_KIL_THSH_CTL)); printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n", tvp5150_read(c, TVP5150_LUMA_PROC_CTL_1), tvp5150_read(c, TVP5150_LUMA_PROC_CTL_2), tvp5150_read(c, TVP5150_LUMA_PROC_CTL_3)); printk("tvp5150: Brightness control = 0x%02x\n", tvp5150_read(c, TVP5150_BRIGHT_CTL)); printk("tvp5150: Color saturation control = 0x%02x\n", tvp5150_read(c, TVP5150_SATURATION_CTL)); printk("tvp5150: Hue control = 0x%02x\n", tvp5150_read(c, TVP5150_HUE_CTL)); printk("tvp5150: Contrast control = 0x%02x\n", tvp5150_read(c, TVP5150_CONTRAST_CTL)); printk("tvp5150: Outputs and data rates select = 0x%02x\n", tvp5150_read(c, TVP5150_DATA_RATE_SEL)); printk("tvp5150: Configuration shared pins = 0x%02x\n", tvp5150_read(c, TVP5150_CONF_SHARED_PIN)); printk("tvp5150: Active video cropping start = 0x%02x%02x\n", tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_MSB), tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_LSB)); printk("tvp5150: Active video cropping stop = 0x%02x%02x\n", tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_MSB), tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_LSB)); printk("tvp5150: Genlock/RTC = 0x%02x\n", tvp5150_read(c, TVP5150_GENLOCK)); printk("tvp5150: Horizontal sync start = 0x%02x\n", tvp5150_read(c, TVP5150_HORIZ_SYNC_START)); printk("tvp5150: Vertical blanking start = 0x%02x\n", tvp5150_read(c, TVP5150_VERT_BLANKING_START)); printk("tvp5150: Vertical blanking stop = 0x%02x\n", tvp5150_read(c, TVP5150_VERT_BLANKING_STOP)); printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n", tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_1), tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_2)); printk("tvp5150: Interrupt reset register B = 0x%02x\n", tvp5150_read(c, TVP5150_INT_RESET_REG_B)); printk("tvp5150: Interrupt enable register B = 0x%02x\n", tvp5150_read(c, TVP5150_INT_ENABLE_REG_B)); printk("tvp5150: Interrupt configuration register B = 0x%02x\n", tvp5150_read(c, TVP5150_INTT_CONFIG_REG_B)); printk("tvp5150: Video standard = 0x%02x\n", tvp5150_read(c, TVP5150_VIDEO_STD)); printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n", tvp5150_read(c, TVP5150_CB_GAIN_FACT), tvp5150_read(c, TVP5150_CR_GAIN_FACTOR)); printk("tvp5150: Macrovision on counter = 0x%02x\n", tvp5150_read(c, TVP5150_MACROVISION_ON_CTR)); printk("tvp5150: Macrovision off counter = 0x%02x\n", tvp5150_read(c, TVP5150_MACROVISION_OFF_CTR)); printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n", (tvp5150_read(c, TVP5150_REV_SELECT)&1)?3:4); printk("tvp5150: Device ID = %02x%02x\n", tvp5150_read(c, TVP5150_MSB_DEV_ID), tvp5150_read(c, TVP5150_LSB_DEV_ID)); printk("tvp5150: ROM version = (hex) %02x.%02x\n", tvp5150_read(c, TVP5150_ROM_MAJOR_VER), tvp5150_read(c, TVP5150_ROM_MINOR_VER)); printk("tvp5150: Vertical line count = 0x%02x%02x\n", tvp5150_read(c, TVP5150_VERT_LN_COUNT_MSB), tvp5150_read(c, TVP5150_VERT_LN_COUNT_LSB)); printk("tvp5150: Interrupt status register B = 0x%02x\n", tvp5150_read(c, TVP5150_INT_STATUS_REG_B)); printk("tvp5150: Interrupt active register B = 0x%02x\n", tvp5150_read(c, TVP5150_INT_ACTIVE_REG_B)); printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n", tvp5150_read(c, TVP5150_STATUS_REG_1), tvp5150_read(c, TVP5150_STATUS_REG_2), tvp5150_read(c, TVP5150_STATUS_REG_3), tvp5150_read(c, TVP5150_STATUS_REG_4), tvp5150_read(c, TVP5150_STATUS_REG_5)); dump_reg_range(c,"Teletext filter 1", TVP5150_TELETEXT_FIL1_INI, TVP5150_TELETEXT_FIL1_END,8); dump_reg_range(c,"Teletext filter 2", TVP5150_TELETEXT_FIL2_INI, TVP5150_TELETEXT_FIL2_END,8); printk("tvp5150: Teletext filter enable = 0x%02x\n", tvp5150_read(c, TVP5150_TELETEXT_FIL_ENA)); printk("tvp5150: Interrupt status register A = 0x%02x\n", tvp5150_read(c, TVP5150_INT_STATUS_REG_A)); printk("tvp5150: Interrupt enable register A = 0x%02x\n", tvp5150_read(c, TVP5150_INT_ENABLE_REG_A)); printk("tvp5150: Interrupt configuration = 0x%02x\n", tvp5150_read(c, TVP5150_INT_CONF)); printk("tvp5150: VDP status register = 0x%02x\n", tvp5150_read(c, TVP5150_VDP_STATUS_REG)); printk("tvp5150: FIFO word count = 0x%02x\n", tvp5150_read(c, TVP5150_FIFO_WORD_COUNT)); printk("tvp5150: FIFO interrupt threshold = 0x%02x\n", tvp5150_read(c, TVP5150_FIFO_INT_THRESHOLD)); printk("tvp5150: FIFO reset = 0x%02x\n", tvp5150_read(c, TVP5150_FIFO_RESET)); printk("tvp5150: Line number interrupt = 0x%02x\n", tvp5150_read(c, TVP5150_LINE_NUMBER_INT)); printk("tvp5150: Pixel alignment register = 0x%02x%02x\n", tvp5150_read(c, TVP5150_PIX_ALIGN_REG_HIGH), tvp5150_read(c, TVP5150_PIX_ALIGN_REG_LOW)); printk("tvp5150: FIFO output control = 0x%02x\n", tvp5150_read(c, TVP5150_FIFO_OUT_CTRL)); printk("tvp5150: Full field enable = 0x%02x\n", tvp5150_read(c, TVP5150_FULL_FIELD_ENA)); printk("tvp5150: Full field mode register = 0x%02x\n", tvp5150_read(c, TVP5150_FULL_FIELD_MODE_REG)); dump_reg_range(c,"CC data", TVP5150_CC_DATA_INI, TVP5150_CC_DATA_END,8); dump_reg_range(c,"WSS data", TVP5150_WSS_DATA_INI, TVP5150_WSS_DATA_END,8); dump_reg_range(c,"VPS data", TVP5150_VPS_DATA_INI, TVP5150_VPS_DATA_END,8); dump_reg_range(c,"VITC data", TVP5150_VITC_DATA_INI, TVP5150_VITC_DATA_END,10); dump_reg_range(c,"Line mode", TVP5150_LINE_MODE_INI, TVP5150_LINE_MODE_END,8); } /**************************************************************************** Basic functions ****************************************************************************/ static inline void tvp5150_selmux(struct i2c_client *c) { int opmode=0; struct tvp5150 *decoder = i2c_get_clientdata(c); int input = 0; unsigned char val; if ((decoder->route.output & TVP5150_BLACK_SCREEN) || !decoder->enable) input = 8; switch (decoder->route.input) { case TVP5150_COMPOSITE1: input |= 2; /* fall through */ case TVP5150_COMPOSITE0: opmode=0x30; /* TV Mode */ break; case TVP5150_SVIDEO: default: input |= 1; opmode=0; /* Auto Mode */ break; } tvp5150_dbg( 1, "Selecting video route: route input=%i, output=%i " "=> tvp5150 input=%i, opmode=%i\n", decoder->route.input,decoder->route.output, input, opmode ); tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode); tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input); /* Svideo should enable YCrCb output and disable GPCL output * For Composite and TV, it should be the reverse */ val = tvp5150_read(c, TVP5150_MISC_CTL); if (decoder->route.input == TVP5150_SVIDEO) val = (val & ~0x40) | 0x10; else val = (val & ~0x10) | 0x40; tvp5150_write(c, TVP5150_MISC_CTL, val); }; struct i2c_reg_value { unsigned char reg; unsigned char value; }; /* Default values as sugested at TVP5150AM1 datasheet */ static const struct i2c_reg_value tvp5150_init_default[] = { { /* 0x00 */ TVP5150_VD_IN_SRC_SEL_1,0x00 }, { /* 0x01 */ TVP5150_ANAL_CHL_CTL,0x15 }, { /* 0x02 */ TVP5150_OP_MODE_CTL,0x00 }, { /* 0x03 */ TVP5150_MISC_CTL,0x01 }, { /* 0x06 */ TVP5150_COLOR_KIL_THSH_CTL,0x10 }, { /* 0x07 */ TVP5150_LUMA_PROC_CTL_1,0x60 }, { /* 0x08 */ TVP5150_LUMA_PROC_CTL_2,0x00 }, { /* 0x09 */ TVP5150_BRIGHT_CTL,0x80 }, { /* 0x0a */ TVP5150_SATURATION_CTL,0x80 }, { /* 0x0b */ TVP5150_HUE_CTL,0x00 }, { /* 0x0c */ TVP5150_CONTRAST_CTL,0x80 }, { /* 0x0d */ TVP5150_DATA_RATE_SEL,0x47 }, { /* 0x0e */ TVP5150_LUMA_PROC_CTL_3,0x00 }, { /* 0x0f */ TVP5150_CONF_SHARED_PIN,0x08 }, { /* 0x11 */ TVP5150_ACT_VD_CROP_ST_MSB,0x00 }, { /* 0x12 */ TVP5150_ACT_VD_CROP_ST_LSB,0x00 }, { /* 0x13 */ TVP5150_ACT_VD_CROP_STP_MSB,0x00 }, { /* 0x14 */ TVP5150_ACT_VD_CROP_STP_LSB,0x00 }, { /* 0x15 */ TVP5150_GENLOCK,0x01 }, { /* 0x16 */ TVP5150_HORIZ_SYNC_START,0x80 }, { /* 0x18 */ TVP5150_VERT_BLANKING_START,0x00 }, { /* 0x19 */ TVP5150_VERT_BLANKING_STOP,0x00 }, { /* 0x1a */ TVP5150_CHROMA_PROC_CTL_1,0x0c }, { /* 0x1b */ TVP5150_CHROMA_PROC_CTL_2,0x14 }, { /* 0x1c */ TVP5150_INT_RESET_REG_B,0x00 }, { /* 0x1d */ TVP5150_INT_ENABLE_REG_B,0x00 }, { /* 0x1e */ TVP5150_INTT_CONFIG_REG_B,0x00 }, { /* 0x28 */ TVP5150_VIDEO_STD,0x00 }, { /* 0x2e */ TVP5150_MACROVISION_ON_CTR,0x0f }, { /* 0x2f */ TVP5150_MACROVISION_OFF_CTR,0x01 }, { /* 0xbb */ TVP5150_TELETEXT_FIL_ENA,0x00 }, { /* 0xc0 */ TVP5150_INT_STATUS_REG_A,0x00 }, { /* 0xc1 */ TVP5150_INT_ENABLE_REG_A,0x00 }, { /* 0xc2 */ TVP5150_INT_CONF,0x04 }, { /* 0xc8 */ TVP5150_FIFO_INT_THRESHOLD,0x80 }, { /* 0xc9 */ TVP5150_FIFO_RESET,0x00 }, { /* 0xca */ TVP5150_LINE_NUMBER_INT,0x00 }, { /* 0xcb */ TVP5150_PIX_ALIGN_REG_LOW,0x4e }, { /* 0xcc */ TVP5150_PIX_ALIGN_REG_HIGH,0x00 }, { /* 0xcd */ TVP5150_FIFO_OUT_CTRL,0x01 }, { /* 0xcf */ TVP5150_FULL_FIELD_ENA,0x00 }, { /* 0xd0 */ TVP5150_LINE_MODE_INI,0x00 }, { /* 0xfc */ TVP5150_FULL_FIELD_MODE_REG,0x7f }, { /* end of data */ 0xff,0xff } }; /* Default values as sugested at TVP5150AM1 datasheet */ static const struct i2c_reg_value tvp5150_init_enable[] = { { TVP5150_CONF_SHARED_PIN, 2 },{ /* Automatic offset and AGC enabled */ TVP5150_ANAL_CHL_CTL, 0x15 },{ /* Activate YCrCb output 0x9 or 0xd ? */ TVP5150_MISC_CTL, 0x6f },{ /* Activates video std autodetection for all standards */ TVP5150_AUTOSW_MSK, 0x0 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ TVP5150_DATA_RATE_SEL, 0x47 },{ TVP5150_CHROMA_PROC_CTL_1, 0x0c },{ TVP5150_CHROMA_PROC_CTL_2, 0x54 },{ /* Non documented, but initialized on WinTV USB2 */ 0x27, 0x20 },{ 0xff,0xff } }; struct tvp5150_vbi_type { unsigned int vbi_type; unsigned int ini_line; unsigned int end_line; unsigned int by_field :1; }; struct i2c_vbi_ram_value { u16 reg; struct tvp5150_vbi_type type; unsigned char values[16]; }; /* This struct have the values for each supported VBI Standard * by tvp5150_vbi_types should follow the same order as vbi_ram_default * value 0 means rom position 0x10, value 1 means rom position 0x30 * and so on. There are 16 possible locations from 0 to 15. */ static struct i2c_vbi_ram_value vbi_ram_default[] = { /* FIXME: Current api doesn't handle all VBI types, those not yet supported are placed under #if 0 */ #if 0 {0x010, /* Teletext, SECAM, WST System A */ {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } }, #endif {0x030, /* Teletext, PAL, WST System B */ {V4L2_SLICED_TELETEXT_B,6,22,1}, { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } }, #if 0 {0x050, /* Teletext, PAL, WST System C */ {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } }, {0x070, /* Teletext, NTSC, WST System B */ {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } }, {0x090, /* Tetetext, NTSC NABTS System C */ {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } }, {0x0b0, /* Teletext, NTSC-J, NABTS System D */ {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } }, {0x0d0, /* Closed Caption, PAL/SECAM */ {V4L2_SLICED_CAPTION_625,22,22,1}, { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } }, #endif {0x0f0, /* Closed Caption, NTSC */ {V4L2_SLICED_CAPTION_525,21,21,1}, { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } }, {0x110, /* Wide Screen Signal, PAL/SECAM */ {V4L2_SLICED_WSS_625,23,23,1}, { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } }, #if 0 {0x130, /* Wide Screen Signal, NTSC C */ {V4L2_SLICED_WSS_525,20,20,1}, { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } }, {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ {V4l2_SLICED_VITC_625,6,22,0}, { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } }, {0x170, /* Vertical Interval Timecode (VITC), NTSC */ {V4l2_SLICED_VITC_525,10,20,0}, { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } }, #endif {0x190, /* Video Program System (VPS), PAL */ {V4L2_SLICED_VPS,16,16,0}, { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } }, /* 0x1d0 User programmable */ /* End of struct */ { (u16)-1 } }; static int tvp5150_write_inittab(struct i2c_client *c, const struct i2c_reg_value *regs) { while (regs->reg != 0xff) { tvp5150_write(c, regs->reg, regs->value); regs++; } return 0; } static int tvp5150_vdp_init(struct i2c_client *c, const struct i2c_vbi_ram_value *regs) { unsigned int i; /* Disable Full Field */ tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0); /* Before programming, Line mode should be at 0xff */ for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++) tvp5150_write(c, i, 0xff); /* Load Ram Table */ while (regs->reg != (u16)-1 ) { tvp5150_write(c, TVP5150_CONF_RAM_ADDR_HIGH,regs->reg>>8); tvp5150_write(c, TVP5150_CONF_RAM_ADDR_LOW,regs->reg); for (i=0;i<16;i++) tvp5150_write(c, TVP5150_VDP_CONF_RAM_DATA,regs->values[i]); regs++; } return 0; } /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ static void tvp5150_vbi_get_cap(const struct i2c_vbi_ram_value *regs, struct v4l2_sliced_vbi_cap *cap) { int line; memset(cap, 0, sizeof *cap); while (regs->reg != (u16)-1 ) { for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { cap->service_lines[0][line] |= regs->type.vbi_type; } cap->service_set |= regs->type.vbi_type; regs++; } } /* Set vbi processing * type - one of tvp5150_vbi_types * line - line to gather data * fields: bit 0 field1, bit 1, field2 * flags (default=0xf0) is a bitmask, were set means: * bit 7: enable filtering null bytes on CC * bit 6: send data also to FIFO * bit 5: don't allow data with errors on FIFO * bit 4: enable ECC when possible * pix_align = pix alignment: * LSB = field1 * MSB = field2 */ static int tvp5150_set_vbi(struct i2c_client *c, const struct i2c_vbi_ram_value *regs, unsigned int type,u8 flags, int line, const int fields) { struct tvp5150 *decoder = i2c_get_clientdata(c); v4l2_std_id std=decoder->norm; u8 reg; int pos=0; if (std == V4L2_STD_ALL) { tvp5150_err("VBI can't be configured without knowing number of lines\n"); return 0; } else if (std & V4L2_STD_625_50) { /* Don't follow NTSC Line number convension */ line += 3; } if (line<6||line>27) return 0; while (regs->reg != (u16)-1 ) { if ((type & regs->type.vbi_type) && (line>=regs->type.ini_line) && (line<=regs->type.end_line)) { type=regs->type.vbi_type; break; } regs++; pos++; } if (regs->reg == (u16)-1) return 0; type=pos | (flags & 0xf0); reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; if (fields&1) { tvp5150_write(c, reg, type); } if (fields&2) { tvp5150_write(c, reg+1, type); } return type; } static int tvp5150_get_vbi(struct i2c_client *c, const struct i2c_vbi_ram_value *regs, int line) { struct tvp5150 *decoder = i2c_get_clientdata(c); v4l2_std_id std=decoder->norm; u8 reg; int pos, type=0; if (std == V4L2_STD_ALL) { tvp5150_err("VBI can't be configured without knowing number of lines\n"); return 0; } else if (std & V4L2_STD_625_50) { /* Don't follow NTSC Line number convension */ line += 3; } if (line<6||line>27) return 0; reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; pos=tvp5150_read(c, reg)&0x0f; if (pos<0x0f) type=regs[pos].type.vbi_type; pos=tvp5150_read(c, reg+1)&0x0f; if (pos<0x0f) type|=regs[pos].type.vbi_type; return type; } static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std) { struct tvp5150 *decoder = i2c_get_clientdata(c); int fmt=0; decoder->norm=std; /* First tests should be against specific std */ if (std == V4L2_STD_ALL) { fmt=0; /* Autodetect mode */ } else if (std & V4L2_STD_NTSC_443) { fmt=0xa; } else if (std & V4L2_STD_PAL_M) { fmt=0x6; } else if (std & (V4L2_STD_PAL_N| V4L2_STD_PAL_Nc)) { fmt=0x8; } else { /* Then, test against generic ones */ if (std & V4L2_STD_NTSC) { fmt=0x2; } else if (std & V4L2_STD_PAL) { fmt=0x4; } else if (std & V4L2_STD_SECAM) { fmt=0xc; } } tvp5150_dbg(1,"Set video std register to %d.\n",fmt); tvp5150_write(c, TVP5150_VIDEO_STD, fmt); return 0; } static inline void tvp5150_reset(struct i2c_client *c) { u8 msb_id, lsb_id, msb_rom, lsb_rom; struct tvp5150 *decoder = i2c_get_clientdata(c); msb_id=tvp5150_read(c,TVP5150_MSB_DEV_ID); lsb_id=tvp5150_read(c,TVP5150_LSB_DEV_ID); msb_rom=tvp5150_read(c,TVP5150_ROM_MAJOR_VER); lsb_rom=tvp5150_read(c,TVP5150_ROM_MINOR_VER); if ((msb_rom==4)&&(lsb_rom==0)) { /* Is TVP5150AM1 */ tvp5150_info("tvp%02x%02xam1 detected.\n",msb_id, lsb_id); /* ITU-T BT.656.4 timing */ tvp5150_write(c,TVP5150_REV_SELECT,0); } else { if ((msb_rom==3)||(lsb_rom==0x21)) { /* Is TVP5150A */ tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id); } else { tvp5150_info("*** unknown tvp%02x%02x chip detected.\n",msb_id,lsb_id); tvp5150_info("*** Rom ver is %d.%d\n",msb_rom,lsb_rom); } } /* Initializes TVP5150 to its default values */ tvp5150_write_inittab(c, tvp5150_init_default); /* Initializes VDP registers */ tvp5150_vdp_init(c, vbi_ram_default); /* Selects decoder input */ tvp5150_selmux(c); /* Initializes TVP5150 to stream enabled values */ tvp5150_write_inittab(c, tvp5150_init_enable); /* Initialize image preferences */ tvp5150_write(c, TVP5150_BRIGHT_CTL, decoder->bright); tvp5150_write(c, TVP5150_CONTRAST_CTL, decoder->contrast); tvp5150_write(c, TVP5150_SATURATION_CTL, decoder->contrast); tvp5150_write(c, TVP5150_HUE_CTL, decoder->hue); tvp5150_set_std(c, decoder->norm); }; static int tvp5150_get_ctrl(struct i2c_client *c, struct v4l2_control *ctrl) { /* struct tvp5150 *decoder = i2c_get_clientdata(c); */ switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: ctrl->value = tvp5150_read(c, TVP5150_BRIGHT_CTL); return 0; case V4L2_CID_CONTRAST: ctrl->value = tvp5150_read(c, TVP5150_CONTRAST_CTL); return 0; case V4L2_CID_SATURATION: ctrl->value = tvp5150_read(c, TVP5150_SATURATION_CTL); return 0; case V4L2_CID_HUE: ctrl->value = tvp5150_read(c, TVP5150_HUE_CTL); return 0; } return -EINVAL; } static int tvp5150_set_ctrl(struct i2c_client *c, struct v4l2_control *ctrl) { /* struct tvp5150 *decoder = i2c_get_clientdata(c); */ switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: tvp5150_write(c, TVP5150_BRIGHT_CTL, ctrl->value); return 0; case V4L2_CID_CONTRAST: tvp5150_write(c, TVP5150_CONTRAST_CTL, ctrl->value); return 0; case V4L2_CID_SATURATION: tvp5150_write(c, TVP5150_SATURATION_CTL, ctrl->value); return 0; case V4L2_CID_HUE: tvp5150_write(c, TVP5150_HUE_CTL, ctrl->value); return 0; } return -EINVAL; } /**************************************************************************** I2C Command ****************************************************************************/ static int tvp5150_command(struct i2c_client *c, unsigned int cmd, void *arg) { struct tvp5150 *decoder = i2c_get_clientdata(c); switch (cmd) { case 0: case VIDIOC_INT_RESET: tvp5150_reset(c); break; case VIDIOC_INT_G_VIDEO_ROUTING: { struct v4l2_routing *route = arg; *route = decoder->route; break; } case VIDIOC_INT_S_VIDEO_ROUTING: { struct v4l2_routing *route = arg; decoder->route = *route; tvp5150_selmux(c); break; } case VIDIOC_S_STD: if (decoder->norm == *(v4l2_std_id *)arg) break; return tvp5150_set_std(c, *(v4l2_std_id *)arg); case VIDIOC_G_STD: *(v4l2_std_id *)arg = decoder->norm; break; case VIDIOC_G_SLICED_VBI_CAP: { struct v4l2_sliced_vbi_cap *cap = arg; tvp5150_dbg(1, "VIDIOC_G_SLICED_VBI_CAP\n"); tvp5150_vbi_get_cap(vbi_ram_default, cap); break; } case VIDIOC_S_FMT: { struct v4l2_format *fmt; struct v4l2_sliced_vbi_format *svbi; int i; fmt = arg; if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) return -EINVAL; svbi = &fmt->fmt.sliced; if (svbi->service_set != 0) { for (i = 0; i <= 23; i++) { svbi->service_lines[1][i] = 0; svbi->service_lines[0][i]=tvp5150_set_vbi(c, vbi_ram_default, svbi->service_lines[0][i],0xf0,i,3); } /* Enables FIFO */ tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,1); } else { /* Disables FIFO*/ tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,0); /* Disable Full Field */ tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0); /* Disable Line modes */ for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++) tvp5150_write(c, i, 0xff); } break; } case VIDIOC_G_FMT: { struct v4l2_format *fmt; struct v4l2_sliced_vbi_format *svbi; int i, mask=0; fmt = arg; if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) return -EINVAL; svbi = &fmt->fmt.sliced; memset(svbi, 0, sizeof(*svbi)); for (i = 0; i <= 23; i++) { svbi->service_lines[0][i]=tvp5150_get_vbi(c, vbi_ram_default,i); mask|=svbi->service_lines[0][i]; } svbi->service_set=mask; break; } #ifdef CONFIG_VIDEO_ADV_DEBUG case VIDIOC_DBG_G_REGISTER: case VIDIOC_DBG_S_REGISTER: { struct v4l2_register *reg = arg; if (!v4l2_chip_match_i2c_client(c, reg->match_type, reg->match_chip)) return -EINVAL; if (!capable(CAP_SYS_ADMIN)) return -EPERM; if (cmd == VIDIOC_DBG_G_REGISTER) reg->val = tvp5150_read(c, reg->reg & 0xff); else tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff); break; } #endif case VIDIOC_LOG_STATUS: dump_reg(c); break; case VIDIOC_G_TUNER: { struct v4l2_tuner *vt = arg; int status = tvp5150_read(c, 0x88); vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; break; } case VIDIOC_QUERYCTRL: { struct v4l2_queryctrl *qc = arg; int i; tvp5150_dbg(1, "VIDIOC_QUERYCTRL called\n"); for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++) if (qc->id && qc->id == tvp5150_qctrl[i].id) { memcpy(qc, &(tvp5150_qctrl[i]), sizeof(*qc)); return 0; } return -EINVAL; } case VIDIOC_G_CTRL: { struct v4l2_control *ctrl = arg; tvp5150_dbg(1, "VIDIOC_G_CTRL called\n"); return tvp5150_get_ctrl(c, ctrl); } case VIDIOC_S_CTRL: { struct v4l2_control *ctrl = arg; u8 i, n; n = ARRAY_SIZE(tvp5150_qctrl); for (i = 0; i < n; i++) if (ctrl->id == tvp5150_qctrl[i].id) { if (ctrl->value < tvp5150_qctrl[i].minimum || ctrl->value > tvp5150_qctrl[i].maximum) return -ERANGE; tvp5150_dbg(1, "VIDIOC_S_CTRL: id=%d, value=%d\n", ctrl->id, ctrl->value); return tvp5150_set_ctrl(c, ctrl); } return -EINVAL; } default: return -EINVAL; } return 0; } /**************************************************************************** I2C Client & Driver ****************************************************************************/ static struct i2c_driver driver; static struct i2c_client client_template = { .name = "(unset)", .driver = &driver, }; static int tvp5150_detect_client(struct i2c_adapter *adapter, int address, int kind) { struct i2c_client *c; struct tvp5150 *core; int rv; if (debug) printk( KERN_INFO "tvp5150.c: detecting tvp5150 client on address 0x%x\n", address << 1); client_template.adapter = adapter; client_template.addr = address; /* Check if the adapter supports the needed features */ if (!i2c_check_functionality (adapter, I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) return 0; c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); if (!c) return -ENOMEM; memcpy(c, &client_template, sizeof(struct i2c_client)); core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL); if (!core) { kfree(c); return -ENOMEM; } i2c_set_clientdata(c, core); rv = i2c_attach_client(c); core->norm = V4L2_STD_ALL; /* Default is autodetect */ core->route.input = TVP5150_COMPOSITE1; core->enable = 1; core->bright = 128; core->contrast = 128; core->hue = 0; core->sat = 128; if (rv) { kfree(c); kfree(core); return rv; } if (debug > 1) dump_reg(c); return 0; } static int tvp5150_attach_adapter(struct i2c_adapter *adapter) { if (debug) printk( KERN_INFO "tvp5150.c: starting probe for adapter %s (0x%x)\n", adapter->name, adapter->id); return i2c_probe(adapter, &addr_data, &tvp5150_detect_client); } static int tvp5150_detach_client(struct i2c_client *c) { struct tvp5150 *decoder = i2c_get_clientdata(c); int err; tvp5150_dbg(1, "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", c->addr << 1); err = i2c_detach_client(c); if (err) { return err; } kfree(decoder); kfree(c); return 0; } /* ----------------------------------------------------------------------- */ static struct i2c_driver driver = { .driver = { .name = "tvp5150", }, .id = I2C_DRIVERID_TVP5150, .attach_adapter = tvp5150_attach_adapter, .detach_client = tvp5150_detach_client, .command = tvp5150_command, }; static int __init tvp5150_init(void) { return i2c_add_driver(&driver); } static void __exit tvp5150_exit(void) { i2c_del_driver(&driver); } module_init(tvp5150_init); module_exit(tvp5150_exit);