| /* |
| * 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/videodev.h> |
| #include <linux/delay.h> |
| #include <linux/video_decoder.h> |
| #include <media/v4l2-common.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 = 0; |
| 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 = 0, |
| .flags = 0, |
| }, { |
| .id = V4L2_CID_CONTRAST, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Contrast", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 0x1, |
| .default_value = 0x10, |
| .flags = 0, |
| }, { |
| .id = V4L2_CID_SATURATION, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Saturation", |
| .minimum = 0, |
| .maximum = 255, |
| .step = 0x1, |
| .default_value = 0x10, |
| .flags = 0, |
| }, { |
| .id = V4L2_CID_HUE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Hue", |
| .minimum = -128, |
| .maximum = 127, |
| .step = 0x1, |
| .default_value = 0x10, |
| .flags = 0, |
| } |
| }; |
| |
| struct tvp5150 { |
| struct i2c_client *client; |
| |
| v4l2_std_id norm; /* Current set standard */ |
| int input; |
| 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 |
| ****************************************************************************/ |
| enum tvp5150_input { |
| TVP5150_ANALOG_CH0 = 0, |
| TVP5150_SVIDEO = 1, |
| TVP5150_ANALOG_CH1 = 2, |
| TVP5150_BLACK_SCREEN = 8 |
| }; |
| |
| static inline void tvp5150_selmux(struct i2c_client *c, |
| enum tvp5150_input input) |
| { |
| int opmode=0; |
| |
| struct tvp5150 *decoder = i2c_get_clientdata(c); |
| |
| if (!decoder->enable) |
| input |= TVP5150_BLACK_SCREEN; |
| |
| switch (input) { |
| case TVP5150_ANALOG_CH0: |
| case TVP5150_ANALOG_CH1: |
| opmode=0x30; /* TV Mode */ |
| break; |
| default: |
| opmode=0; /* Auto Mode */ |
| break; |
| } |
| |
| tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode); |
| tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input); |
| }; |
| |
| 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[] = |
| { |
| {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 } |
| }, |
| {0x030, /* Teletext, PAL, WST System B */ |
| {V4L2_SLICED_TELETEXT_PAL_B,6,22,1}, |
| { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, |
| 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } |
| }, |
| {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 } |
| }, |
| {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 } |
| }, |
| {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 } |
| }, |
| {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, decoder->input); |
| |
| /* Initializes TVP5150 to stream enabled values */ |
| tvp5150_write_inittab(c, tvp5150_init_enable); |
| |
| /* Initialize image preferences */ |
| tvp5150_write(c, TVP5150_BRIGHT_CTL, decoder->bright >> 8); |
| tvp5150_write(c, TVP5150_CONTRAST_CTL, decoder->contrast >> 8); |
| tvp5150_write(c, TVP5150_SATURATION_CTL, decoder->contrast >> 8); |
| tvp5150_write(c, TVP5150_HUE_CTL, (decoder->hue - 32768) >> 8); |
| |
| 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: |
| case DECODER_INIT: |
| tvp5150_reset(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_INT_G_REGISTER: |
| { |
| struct v4l2_register *reg = arg; |
| |
| if (reg->i2c_id != I2C_DRIVERID_TVP5150) |
| return -EINVAL; |
| reg->val = tvp5150_read(c, reg->reg & 0xff); |
| break; |
| } |
| |
| case VIDIOC_INT_S_REGISTER: |
| { |
| struct v4l2_register *reg = arg; |
| |
| if (reg->i2c_id != I2C_DRIVERID_TVP5150) |
| return -EINVAL; |
| if (!capable(CAP_SYS_ADMIN)) |
| return -EPERM; |
| tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff); |
| break; |
| } |
| #endif |
| |
| case VIDIOC_LOG_STATUS: |
| case DECODER_DUMP: |
| dump_reg(c); |
| break; |
| |
| case DECODER_GET_CAPABILITIES: |
| { |
| struct video_decoder_capability *cap = arg; |
| |
| cap->flags = VIDEO_DECODER_PAL | |
| VIDEO_DECODER_NTSC | |
| VIDEO_DECODER_SECAM | |
| VIDEO_DECODER_AUTO | VIDEO_DECODER_CCIR; |
| cap->inputs = 3; |
| cap->outputs = 1; |
| break; |
| } |
| case DECODER_GET_STATUS: |
| { |
| int *iarg = arg; |
| int status; |
| int res=0; |
| status = tvp5150_read(c, 0x88); |
| if(status&0x08){ |
| res |= DECODER_STATUS_COLOR; |
| } |
| if(status&0x04 && status&0x02){ |
| res |= DECODER_STATUS_GOOD; |
| } |
| *iarg=res; |
| break; |
| } |
| |
| case DECODER_SET_GPIO: |
| break; |
| |
| case DECODER_SET_VBI_BYPASS: |
| break; |
| |
| case DECODER_SET_NORM: |
| { |
| int *iarg = arg; |
| |
| switch (*iarg) { |
| |
| case VIDEO_MODE_NTSC: |
| break; |
| |
| case VIDEO_MODE_PAL: |
| break; |
| |
| case VIDEO_MODE_SECAM: |
| break; |
| |
| case VIDEO_MODE_AUTO: |
| break; |
| |
| default: |
| return -EINVAL; |
| |
| } |
| decoder->norm = *iarg; |
| break; |
| } |
| case DECODER_SET_INPUT: |
| { |
| int *iarg = arg; |
| if (*iarg < 0 || *iarg > 3) { |
| return -EINVAL; |
| } |
| |
| decoder->input = *iarg; |
| tvp5150_selmux(c, decoder->input); |
| |
| break; |
| } |
| case DECODER_SET_OUTPUT: |
| { |
| int *iarg = arg; |
| |
| /* not much choice of outputs */ |
| if (*iarg != 0) { |
| return -EINVAL; |
| } |
| break; |
| } |
| case DECODER_ENABLE_OUTPUT: |
| { |
| int *iarg = arg; |
| |
| decoder->enable = (*iarg != 0); |
| |
| tvp5150_selmux(c, decoder->input); |
| |
| 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 = sizeof(tvp5150_qctrl) / sizeof(tvp5150_qctrl[0]); |
| 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; |
| } |
| |
| case DECODER_SET_PICTURE: |
| { |
| struct video_picture *pic = arg; |
| if (decoder->bright != pic->brightness) { |
| /* We want 0 to 255 we get 0-65535 */ |
| decoder->bright = pic->brightness; |
| tvp5150_write(c, TVP5150_BRIGHT_CTL, |
| decoder->bright >> 8); |
| } |
| if (decoder->contrast != pic->contrast) { |
| /* We want 0 to 255 we get 0-65535 */ |
| decoder->contrast = pic->contrast; |
| tvp5150_write(c, TVP5150_CONTRAST_CTL, |
| decoder->contrast >> 8); |
| } |
| if (decoder->sat != pic->colour) { |
| /* We want 0 to 255 we get 0-65535 */ |
| decoder->sat = pic->colour; |
| tvp5150_write(c, TVP5150_SATURATION_CTL, |
| decoder->contrast >> 8); |
| } |
| if (decoder->hue != pic->hue) { |
| /* We want -128 to 127 we get 0-65535 */ |
| decoder->hue = pic->hue; |
| tvp5150_write(c, TVP5150_HUE_CTL, |
| (decoder->hue - 32768) >> 8); |
| } |
| break; |
| } |
| 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 == 0) |
| return -ENOMEM; |
| memcpy(c, &client_template, sizeof(struct i2c_client)); |
| |
| core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL); |
| if (core == 0) { |
| kfree(c); |
| return -ENOMEM; |
| } |
| i2c_set_clientdata(c, core); |
| |
| rv = i2c_attach_client(c); |
| |
| core->norm = V4L2_STD_ALL; /* Default is autodetect */ |
| core->input = 2; |
| core->enable = 1; |
| core->bright = 32768; |
| core->contrast = 32768; |
| core->hue = 32768; |
| core->sat = 32768; |
| |
| 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); |