diff options
Diffstat (limited to 'drivers/media/usb/cx231xx/cx231xx-417.c')
| -rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-417.c | 2197 |
1 files changed, 2197 insertions, 0 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-417.c b/drivers/media/usb/cx231xx/cx231xx-417.c new file mode 100644 index 000000000000..b024e5197a75 --- /dev/null +++ b/drivers/media/usb/cx231xx/cx231xx-417.c @@ -0,0 +1,2197 @@ +/* + * + * Support for a cx23417 mpeg encoder via cx231xx host port. + * + * (c) 2004 Jelle Foks <jelle@foks.us> + * (c) 2004 Gerd Knorr <kraxel@bytesex.org> + * (c) 2008 Steven Toth <stoth@linuxtv.org> + * - CX23885/7/8 support + * + * Includes parts from the ivtv driver( http://ivtv.sourceforge.net/), + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/fs.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/firmware.h> +#include <linux/vmalloc.h> +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include <media/cx2341x.h> +#include <linux/usb.h> + +#include "cx231xx.h" +/*#include "cx23885-ioctl.h"*/ + +#define CX231xx_FIRM_IMAGE_SIZE 376836 +#define CX231xx_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw" + +/* for polaris ITVC */ +#define ITVC_WRITE_DIR 0x03FDFC00 +#define ITVC_READ_DIR 0x0001FC00 + +#define MCI_MEMORY_DATA_BYTE0 0x00 +#define MCI_MEMORY_DATA_BYTE1 0x08 +#define MCI_MEMORY_DATA_BYTE2 0x10 +#define MCI_MEMORY_DATA_BYTE3 0x18 + +#define MCI_MEMORY_ADDRESS_BYTE2 0x20 +#define MCI_MEMORY_ADDRESS_BYTE1 0x28 +#define MCI_MEMORY_ADDRESS_BYTE0 0x30 + +#define MCI_REGISTER_DATA_BYTE0 0x40 +#define MCI_REGISTER_DATA_BYTE1 0x48 +#define MCI_REGISTER_DATA_BYTE2 0x50 +#define MCI_REGISTER_DATA_BYTE3 0x58 + +#define MCI_REGISTER_ADDRESS_BYTE0 0x60 +#define MCI_REGISTER_ADDRESS_BYTE1 0x68 + +#define MCI_REGISTER_MODE 0x70 + +/* Read and write modes for polaris ITVC */ +#define MCI_MODE_REGISTER_READ 0x000 +#define MCI_MODE_REGISTER_WRITE 0x100 +#define MCI_MODE_MEMORY_READ 0x000 +#define MCI_MODE_MEMORY_WRITE 0x4000 + +static unsigned int mpegbufs = 8; +module_param(mpegbufs, int, 0644); +MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32"); +static unsigned int mpeglines = 128; +module_param(mpeglines, int, 0644); +MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32"); +static unsigned int mpeglinesize = 512; +module_param(mpeglinesize, int, 0644); +MODULE_PARM_DESC(mpeglinesize, + "number of bytes in each line of an MPEG buffer, range 512-1024"); + +static unsigned int v4l_debug = 1; +module_param(v4l_debug, int, 0644); +MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages"); +struct cx231xx_dmaqueue *dma_qq; +#define dprintk(level, fmt, arg...)\ + do { if (v4l_debug >= level) \ + printk(KERN_INFO "%s: " fmt, \ + (dev) ? dev->name : "cx231xx[?]", ## arg); \ + } while (0) + +static struct cx231xx_tvnorm cx231xx_tvnorms[] = { + { + .name = "NTSC-M", + .id = V4L2_STD_NTSC_M, + }, { + .name = "NTSC-JP", + .id = V4L2_STD_NTSC_M_JP, + }, { + .name = "PAL-BG", + .id = V4L2_STD_PAL_BG, + }, { + .name = "PAL-DK", + .id = V4L2_STD_PAL_DK, + }, { + .name = "PAL-I", + .id = V4L2_STD_PAL_I, + }, { + .name = "PAL-M", + .id = V4L2_STD_PAL_M, + }, { + .name = "PAL-N", + .id = V4L2_STD_PAL_N, + }, { + .name = "PAL-Nc", + .id = V4L2_STD_PAL_Nc, + }, { + .name = "PAL-60", + .id = V4L2_STD_PAL_60, + }, { + .name = "SECAM-L", + .id = V4L2_STD_SECAM_L, + }, { + .name = "SECAM-DK", + .id = V4L2_STD_SECAM_DK, + } +}; + +/* ------------------------------------------------------------------ */ +enum cx231xx_capture_type { + CX231xx_MPEG_CAPTURE, + CX231xx_RAW_CAPTURE, + CX231xx_RAW_PASSTHRU_CAPTURE +}; +enum cx231xx_capture_bits { + CX231xx_RAW_BITS_NONE = 0x00, + CX231xx_RAW_BITS_YUV_CAPTURE = 0x01, + CX231xx_RAW_BITS_PCM_CAPTURE = 0x02, + CX231xx_RAW_BITS_VBI_CAPTURE = 0x04, + CX231xx_RAW_BITS_PASSTHRU_CAPTURE = 0x08, + CX231xx_RAW_BITS_TO_HOST_CAPTURE = 0x10 +}; +enum cx231xx_capture_end { + CX231xx_END_AT_GOP, /* stop at the end of gop, generate irq */ + CX231xx_END_NOW, /* stop immediately, no irq */ +}; +enum cx231xx_framerate { + CX231xx_FRAMERATE_NTSC_30, /* NTSC: 30fps */ + CX231xx_FRAMERATE_PAL_25 /* PAL: 25fps */ +}; +enum cx231xx_stream_port { + CX231xx_OUTPUT_PORT_MEMORY, + CX231xx_OUTPUT_PORT_STREAMING, + CX231xx_OUTPUT_PORT_SERIAL +}; +enum cx231xx_data_xfer_status { + CX231xx_MORE_BUFFERS_FOLLOW, + CX231xx_LAST_BUFFER, +}; +enum cx231xx_picture_mask { + CX231xx_PICTURE_MASK_NONE, + CX231xx_PICTURE_MASK_I_FRAMES, + CX231xx_PICTURE_MASK_I_P_FRAMES = 0x3, + CX231xx_PICTURE_MASK_ALL_FRAMES = 0x7, +}; +enum cx231xx_vbi_mode_bits { + CX231xx_VBI_BITS_SLICED, + CX231xx_VBI_BITS_RAW, +}; +enum cx231xx_vbi_insertion_bits { + CX231xx_VBI_BITS_INSERT_IN_XTENSION_USR_DATA, + CX231xx_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1, + CX231xx_VBI_BITS_SEPARATE_STREAM = 0x2 << 1, + CX231xx_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1, + CX231xx_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1, +}; +enum cx231xx_dma_unit { + CX231xx_DMA_BYTES, + CX231xx_DMA_FRAMES, +}; +enum cx231xx_dma_transfer_status_bits { + CX231xx_DMA_TRANSFER_BITS_DONE = 0x01, + CX231xx_DMA_TRANSFER_BITS_ERROR = 0x04, + CX231xx_DMA_TRANSFER_BITS_LL_ERROR = 0x10, +}; +enum cx231xx_pause { + CX231xx_PAUSE_ENCODING, + CX231xx_RESUME_ENCODING, +}; +enum cx231xx_copyright { + CX231xx_COPYRIGHT_OFF, + CX231xx_COPYRIGHT_ON, +}; +enum cx231xx_notification_type { + CX231xx_NOTIFICATION_REFRESH, +}; +enum cx231xx_notification_status { + CX231xx_NOTIFICATION_OFF, + CX231xx_NOTIFICATION_ON, +}; +enum cx231xx_notification_mailbox { + CX231xx_NOTIFICATION_NO_MAILBOX = -1, +}; +enum cx231xx_field1_lines { + CX231xx_FIELD1_SAA7114 = 0x00EF, /* 239 */ + CX231xx_FIELD1_SAA7115 = 0x00F0, /* 240 */ + CX231xx_FIELD1_MICRONAS = 0x0105, /* 261 */ +}; +enum cx231xx_field2_lines { + CX231xx_FIELD2_SAA7114 = 0x00EF, /* 239 */ + CX231xx_FIELD2_SAA7115 = 0x00F0, /* 240 */ + CX231xx_FIELD2_MICRONAS = 0x0106, /* 262 */ +}; +enum cx231xx_custom_data_type { + CX231xx_CUSTOM_EXTENSION_USR_DATA, + CX231xx_CUSTOM_PRIVATE_PACKET, +}; +enum cx231xx_mute { + CX231xx_UNMUTE, + CX231xx_MUTE, +}; +enum cx231xx_mute_video_mask { + CX231xx_MUTE_VIDEO_V_MASK = 0x0000FF00, + CX231xx_MUTE_VIDEO_U_MASK = 0x00FF0000, + CX231xx_MUTE_VIDEO_Y_MASK = 0xFF000000, +}; +enum cx231xx_mute_video_shift { + CX231xx_MUTE_VIDEO_V_SHIFT = 8, + CX231xx_MUTE_VIDEO_U_SHIFT = 16, + CX231xx_MUTE_VIDEO_Y_SHIFT = 24, +}; + +/* defines below are from ivtv-driver.h */ +#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF + +/* Firmware API commands */ +#define IVTV_API_STD_TIMEOUT 500 + +/* Registers */ +/* IVTV_REG_OFFSET */ +#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8) +#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC) +#define IVTV_REG_SPU (0x9050) +#define IVTV_REG_HW_BLOCKS (0x9054) +#define IVTV_REG_VPU (0x9058) +#define IVTV_REG_APU (0xA064) + +/* + * Bit definitions for MC417_RWD and MC417_OEN registers + * + * bits 31-16 + *+-----------+ + *| Reserved | + *|+-----------+ + *| bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8 + *|+-------+-------+-------+-------+-------+-------+-------+-------+ + *|| MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0| + *|+-------+-------+-------+-------+-------+-------+-------+-------+ + *| bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 + *|+-------+-------+-------+-------+-------+-------+-------+-------+ + *||MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0| + *|+-------+-------+-------+-------+-------+-------+-------+-------+ + */ +#define MC417_MIWR 0x8000 +#define MC417_MIRD 0x4000 +#define MC417_MICS 0x2000 +#define MC417_MIRDY 0x1000 +#define MC417_MIADDR 0x0F00 +#define MC417_MIDATA 0x00FF + + +/* Bit definitions for MC417_CTL register **** + *bits 31-6 bits 5-4 bit 3 bits 2-1 Bit 0 + *+--------+-------------+--------+--------------+------------+ + *|Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN| + *+--------+-------------+--------+--------------+------------+ + */ +#define MC417_SPD_CTL(x) (((x) << 4) & 0x00000030) +#define MC417_GPIO_SEL(x) (((x) << 1) & 0x00000006) +#define MC417_UART_GPIO_EN 0x00000001 + +/* Values for speed control */ +#define MC417_SPD_CTL_SLOW 0x1 +#define MC417_SPD_CTL_MEDIUM 0x0 +#define MC417_SPD_CTL_FAST 0x3 /* b'1x, but we use b'11 */ + +/* Values for GPIO select */ +#define MC417_GPIO_SEL_GPIO3 0x3 +#define MC417_GPIO_SEL_GPIO2 0x2 +#define MC417_GPIO_SEL_GPIO1 0x1 +#define MC417_GPIO_SEL_GPIO0 0x0 + + +#define CX23417_GPIO_MASK 0xFC0003FF +static int setITVCReg(struct cx231xx *dev, u32 gpio_direction, u32 value) +{ + int status = 0; + u32 _gpio_direction = 0; + + _gpio_direction = _gpio_direction & CX23417_GPIO_MASK; + _gpio_direction = _gpio_direction|gpio_direction; + status = cx231xx_send_gpio_cmd(dev, _gpio_direction, + (u8 *)&value, 4, 0, 0); + return status; +} +static int getITVCReg(struct cx231xx *dev, u32 gpio_direction, u32 *pValue) +{ + int status = 0; + u32 _gpio_direction = 0; + + _gpio_direction = _gpio_direction & CX23417_GPIO_MASK; + _gpio_direction = _gpio_direction|gpio_direction; + + status = cx231xx_send_gpio_cmd(dev, _gpio_direction, + (u8 *)pValue, 4, 0, 1); + return status; +} + +static int waitForMciComplete(struct cx231xx *dev) +{ + u32 gpio; + u32 gpio_driection = 0; + u8 count = 0; + getITVCReg(dev, gpio_driection, &gpio); + + while (!(gpio&0x020000)) { + msleep(10); + + getITVCReg(dev, gpio_driection, &gpio); + + if (count++ > 100) { + dprintk(3, "ERROR: Timeout - gpio=%x\n", gpio); + return -1; + } + } + return 0; +} + +static int mc417_register_write(struct cx231xx *dev, u16 address, u32 value) +{ + u32 temp; + int status = 0; + + temp = 0x82|MCI_REGISTER_DATA_BYTE0|((value&0x000000FF)<<8); + temp = temp<<10; + status = setITVCReg(dev, ITVC_WRITE_DIR, temp); + if (status < 0) + return status; + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*write data byte 1;*/ + temp = 0x82|MCI_REGISTER_DATA_BYTE1|(value&0x0000FF00); + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*write data byte 2;*/ + temp = 0x82|MCI_REGISTER_DATA_BYTE2|((value&0x00FF0000)>>8); + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*write data byte 3;*/ + temp = 0x82|MCI_REGISTER_DATA_BYTE3|((value&0xFF000000)>>16); + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*write address byte 0;*/ + temp = 0x82|MCI_REGISTER_ADDRESS_BYTE0|((address&0x000000FF)<<8); + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*write address byte 1;*/ + temp = 0x82|MCI_REGISTER_ADDRESS_BYTE1|(address&0x0000FF00); + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*Write that the mode is write.*/ + temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_WRITE; + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + return waitForMciComplete(dev); +} + +static int mc417_register_read(struct cx231xx *dev, u16 address, u32 *value) +{ + /*write address byte 0;*/ + u32 temp; + u32 return_value = 0; + int ret = 0; + + temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x00FF) << 8); + temp = temp << 10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp | ((0x05) << 10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*write address byte 1;*/ + temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0xFF00); + temp = temp << 10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp | ((0x05) << 10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*write that the mode is read;*/ + temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_READ; + temp = temp << 10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp | ((0x05) << 10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*wait for the MIRDY line to be asserted , + signalling that the read is done;*/ + ret = waitForMciComplete(dev); + + /*switch the DATA- GPIO to input mode;*/ + + /*Read data byte 0;*/ + temp = (0x82 | MCI_REGISTER_DATA_BYTE0) << 10; + setITVCReg(dev, ITVC_READ_DIR, temp); + temp = ((0x81 | MCI_REGISTER_DATA_BYTE0) << 10); + setITVCReg(dev, ITVC_READ_DIR, temp); + getITVCReg(dev, ITVC_READ_DIR, &temp); + return_value |= ((temp & 0x03FC0000) >> 18); + setITVCReg(dev, ITVC_READ_DIR, (0x87 << 10)); + + /* Read data byte 1;*/ + temp = (0x82 | MCI_REGISTER_DATA_BYTE1) << 10; + setITVCReg(dev, ITVC_READ_DIR, temp); + temp = ((0x81 | MCI_REGISTER_DATA_BYTE1) << 10); + setITVCReg(dev, ITVC_READ_DIR, temp); + getITVCReg(dev, ITVC_READ_DIR, &temp); + + return_value |= ((temp & 0x03FC0000) >> 10); + setITVCReg(dev, ITVC_READ_DIR, (0x87 << 10)); + + /*Read data byte 2;*/ + temp = (0x82 | MCI_REGISTER_DATA_BYTE2) << 10; + setITVCReg(dev, ITVC_READ_DIR, temp); + temp = ((0x81 | MCI_REGISTER_DATA_BYTE2) << 10); + setITVCReg(dev, ITVC_READ_DIR, temp); + getITVCReg(dev, ITVC_READ_DIR, &temp); + return_value |= ((temp & 0x03FC0000) >> 2); + setITVCReg(dev, ITVC_READ_DIR, (0x87 << 10)); + + /*Read data byte 3;*/ + temp = (0x82 | MCI_REGISTER_DATA_BYTE3) << 10; + setITVCReg(dev, ITVC_READ_DIR, temp); + temp = ((0x81 | MCI_REGISTER_DATA_BYTE3) << 10); + setITVCReg(dev, ITVC_READ_DIR, temp); + getITVCReg(dev, ITVC_READ_DIR, &temp); + return_value |= ((temp & 0x03FC0000) << 6); + setITVCReg(dev, ITVC_READ_DIR, (0x87 << 10)); + + *value = return_value; + + + return ret; +} + +static int mc417_memory_write(struct cx231xx *dev, u32 address, u32 value) +{ + /*write data byte 0;*/ + + u32 temp; + int ret = 0; + + temp = 0x82 | MCI_MEMORY_DATA_BYTE0|((value & 0x000000FF) << 8); + temp = temp << 10; + ret = setITVCReg(dev, ITVC_WRITE_DIR, temp); + if (ret < 0) + return ret; + temp = temp | ((0x05) << 10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*write data byte 1;*/ + temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00); + temp = temp << 10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp | ((0x05) << 10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*write data byte 2;*/ + temp = 0x82|MCI_MEMORY_DATA_BYTE2|((value&0x00FF0000)>>8); + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*write data byte 3;*/ + temp = 0x82|MCI_MEMORY_DATA_BYTE3|((value&0xFF000000)>>16); + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /* write address byte 2;*/ + temp = 0x82|MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE | + ((address & 0x003F0000)>>8); + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /* write address byte 1;*/ + temp = 0x82|MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00); + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /* write address byte 0;*/ + temp = 0x82|MCI_MEMORY_ADDRESS_BYTE0|((address & 0x00FF)<<8); + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*wait for MIRDY line;*/ + waitForMciComplete(dev); + + return 0; +} + +static int mc417_memory_read(struct cx231xx *dev, u32 address, u32 *value) +{ + u32 temp = 0; + u32 return_value = 0; + int ret = 0; + + /*write address byte 2;*/ + temp = 0x82|MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_READ | + ((address & 0x003F0000)>>8); + temp = temp<<10; + ret = setITVCReg(dev, ITVC_WRITE_DIR, temp); + if (ret < 0) + return ret; + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*write address byte 1*/ + temp = 0x82|MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00); + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*write address byte 0*/ + temp = 0x82|MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF)<<8); + temp = temp<<10; + setITVCReg(dev, ITVC_WRITE_DIR, temp); + temp = temp|((0x05)<<10); + setITVCReg(dev, ITVC_WRITE_DIR, temp); + + /*Wait for MIRDY line*/ + ret = waitForMciComplete(dev); + + + /*Read data byte 3;*/ + temp = (0x82|MCI_MEMORY_DATA_BYTE3)<<10; + setITVCReg(dev, ITVC_READ_DIR, temp); + temp = ((0x81|MCI_MEMORY_DATA_BYTE3)<<10); + setITVCReg(dev, ITVC_READ_DIR, temp); + getITVCReg(dev, ITVC_READ_DIR, &temp); + return_value |= ((temp&0x03FC0000)<<6); + setITVCReg(dev, ITVC_READ_DIR, (0x87<<10)); + + /*Read data byte 2;*/ + temp = (0x82|MCI_MEMORY_DATA_BYTE2)<<10; + setITVCReg(dev, ITVC_READ_DIR, temp); + temp = ((0x81|MCI_MEMORY_DATA_BYTE2)<<10); + setITVCReg(dev, ITVC_READ_DIR, temp); + getITVCReg(dev, ITVC_READ_DIR, &temp); + return_value |= ((temp&0x03FC0000)>>2); + setITVCReg(dev, ITVC_READ_DIR, (0x87<<10)); + + /* Read data byte 1;*/ + temp = (0x82|MCI_MEMORY_DATA_BYTE1)<<10; + setITVCReg(dev, ITVC_READ_DIR, temp); + temp = ((0x81|MCI_MEMORY_DATA_BYTE1)<<10); + setITVCReg(dev, ITVC_READ_DIR, temp); + getITVCReg(dev, ITVC_READ_DIR, &temp); + return_value |= ((temp&0x03FC0000)>>10); + setITVCReg(dev, ITVC_READ_DIR, (0x87<<10)); + + /*Read data byte 0;*/ + temp = (0x82|MCI_MEMORY_DATA_BYTE0)<<10; + setITVCReg(dev, ITVC_READ_DIR, temp); + temp = ((0x81|MCI_MEMORY_DATA_BYTE0)<<10); + setITVCReg(dev, ITVC_READ_DIR, temp); + getITVCReg(dev, ITVC_READ_DIR, &temp); + return_value |= ((temp&0x03FC0000)>>18); + setITVCReg(dev, ITVC_READ_DIR, (0x87<<10)); + + *value = return_value; + return ret; +} + +/* ------------------------------------------------------------------ */ + +/* MPEG encoder API */ +static char *cmd_to_str(int cmd) +{ + switch (cmd) { + case CX2341X_ENC_PING_FW: + return "PING_FW"; + case CX2341X_ENC_START_CAPTURE: + return "START_CAPTURE"; + case CX2341X_ENC_STOP_CAPTURE: + return "STOP_CAPTURE"; + case CX2341X_ENC_SET_AUDIO_ID: + return "SET_AUDIO_ID"; + case CX2341X_ENC_SET_VIDEO_ID: + return "SET_VIDEO_ID"; + case CX2341X_ENC_SET_PCR_ID: + return "SET_PCR_PID"; + case CX2341X_ENC_SET_FRAME_RATE: + return "SET_FRAME_RATE"; + case CX2341X_ENC_SET_FRAME_SIZE: + return "SET_FRAME_SIZE"; + case CX2341X_ENC_SET_BIT_RATE: + return "SET_BIT_RATE"; + case CX2341X_ENC_SET_GOP_PROPERTIES: + return "SET_GOP_PROPERTIES"; + case CX2341X_ENC_SET_ASPECT_RATIO: + return "SET_ASPECT_RATIO"; + case CX2341X_ENC_SET_DNR_FILTER_MODE: + return "SET_DNR_FILTER_PROPS"; + case CX2341X_ENC_SET_DNR_FILTER_PROPS: + return "SET_DNR_FILTER_PROPS"; + case CX2341X_ENC_SET_CORING_LEVELS: + return "SET_CORING_LEVELS"; + case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE: + return "SET_SPATIAL_FILTER_TYPE"; + case CX2341X_ENC_SET_VBI_LINE: + return "SET_VBI_LINE"; + case CX2341X_ENC_SET_STREAM_TYPE: + return "SET_STREAM_TYPE"; + case CX2341X_ENC_SET_OUTPUT_PORT: + return "SET_OUTPUT_PORT"; + case CX2341X_ENC_SET_AUDIO_PROPERTIES: + return "SET_AUDIO_PROPERTIES"; + case CX2341X_ENC_HALT_FW: + return "HALT_FW"; + case CX2341X_ENC_GET_VERSION: + return "GET_VERSION"; + case CX2341X_ENC_SET_GOP_CLOSURE: + return "SET_GOP_CLOSURE"; + case CX2341X_ENC_GET_SEQ_END: + return "GET_SEQ_END"; + case CX2341X_ENC_SET_PGM_INDEX_INFO: + return "SET_PGM_INDEX_INFO"; + case CX2341X_ENC_SET_VBI_CONFIG: + return "SET_VBI_CONFIG"; + case CX2341X_ENC_SET_DMA_BLOCK_SIZE: + return "SET_DMA_BLOCK_SIZE"; + case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10: + return "GET_PREV_DMA_INFO_MB_10"; + case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9: + return "GET_PREV_DMA_INFO_MB_9"; + case CX2341X_ENC_SCHED_DMA_TO_HOST: + return "SCHED_DMA_TO_HOST"; + case CX2341X_ENC_INITIALIZE_INPUT: + return "INITIALIZE_INPUT"; + case CX2341X_ENC_SET_FRAME_DROP_RATE: + return "SET_FRAME_DROP_RATE"; + case CX2341X_ENC_PAUSE_ENCODER: + return "PAUSE_ENCODER"; + case CX2341X_ENC_REFRESH_INPUT: + return "REFRESH_INPUT"; + case CX2341X_ENC_SET_COPYRIGHT: + return "SET_COPYRIGHT"; + case CX2341X_ENC_SET_EVENT_NOTIFICATION: + return "SET_EVENT_NOTIFICATION"; + case CX2341X_ENC_SET_NUM_VSYNC_LINES: + return "SET_NUM_VSYNC_LINES"; + case CX2341X_ENC_SET_PLACEHOLDER: + return "SET_PLACEHOLDER"; + case CX2341X_ENC_MUTE_VIDEO: + return "MUTE_VIDEO"; + case CX2341X_ENC_MUTE_AUDIO: + return "MUTE_AUDIO"; + case CX2341X_ENC_MISC: + return "MISC"; + default: + return "UNKNOWN"; + } +} + +static int cx231xx_mbox_func(void *priv, + u32 command, + int in, + int out, + u32 data[CX2341X_MBOX_MAX_DATA]) +{ + struct cx231xx *dev = priv; + unsigned long timeout; + u32 value, flag, retval = 0; + int i; + + dprintk(3, "%s: command(0x%X) = %s\n", __func__, command, + cmd_to_str(command)); + + /* this may not be 100% safe if we can't read any memory location + without side effects */ + mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value); + if (value != 0x12345678) { + dprintk(3, + "Firmware and/or mailbox pointer not initialized " + "or corrupted, signature = 0x%x, cmd = %s\n", value, + cmd_to_str(command)); + return -1; + } + + /* This read looks at 32 bits, but flag is only 8 bits. + * Seems we also bail if CMD or TIMEOUT bytes are set??? + */ + mc417_memory_read(dev, dev->cx23417_mailbox, &flag); + if (flag) { + dprintk(3, "ERROR: Mailbox appears to be in use " + "(%x), cmd = %s\n", flag, cmd_to_str(command)); + return -1; + } + + flag |= 1; /* tell 'em we're working on it */ + mc417_memory_write(dev, dev->cx23417_mailbox, flag); + + /* write command + args + fill remaining with zeros */ + /* command code */ + mc417_memory_write(dev, dev->cx23417_mailbox + 1, command); + mc417_memory_write(dev, dev->cx23417_mailbox + 3, + IVTV_API_STD_TIMEOUT); /* timeout */ + for (i = 0; i < in; i++) { + mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]); + dprintk(3, "API Input %d = %d\n", i, data[i]); + } + for (; i < CX2341X_MBOX_MAX_DATA; i++) + mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0); + + flag |= 3; /* tell 'em we're done writing */ + mc417_memory_write(dev, dev->cx23417_mailbox, flag); + + /* wait for firmware to handle the API command */ + timeout = jiffies + msecs_to_jiffies(10); + for (;;) { + mc417_memory_read(dev, dev->cx23417_mailbox, &flag); + if (0 != (flag & 4)) + break; + if (time_after(jiffies, timeout)) { + dprintk(3, "ERROR: API Mailbox timeout\n"); + return -1; + } + udelay(10); + } + + /* read output values */ + for (i = 0; i < out; i++) { + mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i); + dprintk(3, "API Output %d = %d\n", i, data[i]); + } + + mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval); + dprintk(3, "API result = %d\n", retval); + + flag = 0; + mc417_memory_write(dev, dev->cx23417_mailbox, flag); + + return retval; +} + +/* We don't need to call the API often, so using just one + * mailbox will probably suffice + */ +static int cx231xx_api_cmd(struct cx231xx *dev, + u32 command, + u32 inputcnt, + u32 outputcnt, + ...) +{ + u32 data[CX2341X_MBOX_MAX_DATA]; + va_list vargs; + int i, err; + + dprintk(3, "%s() cmds = 0x%08x\n", __func__, command); + + va_start(vargs, outputcnt); + for (i = 0; i < inputcnt; i++) + data[i] = va_arg(vargs, int); + + err = cx231xx_mbox_func(dev, command, inputcnt, outputcnt, data); + for (i = 0; i < outputcnt; i++) { + int *vptr = va_arg(vargs, int *); + *vptr = data[i]; + } + va_end(vargs); + + return err; +} + +static int cx231xx_find_mailbox(struct cx231xx *dev) +{ + u32 signature[4] = { + 0x12345678, 0x34567812, 0x56781234, 0x78123456 + }; + int signaturecnt = 0; + u32 value; + int i; + int ret = 0; + + dprintk(2, "%s()\n", __func__); + + for (i = 0; i < 0x100; i++) {/*CX231xx_FIRM_IMAGE_SIZE*/ + ret = mc417_memory_read(dev, i, &value); + if (ret < 0) + return ret; + if (value == signature[signaturecnt]) + signaturecnt++; + else + signaturecnt = 0; + if (4 == signaturecnt) { + dprintk(1, "Mailbox signature found at 0x%x\n", i+1); + return i+1; + } + } + dprintk(3, "Mailbox signature values not found!\n"); + return -1; +} + +static void mciWriteMemoryToGPIO(struct cx231xx *dev, u32 address, u32 value, + u32 *p_fw_image) +{ + + u32 temp = 0; + int i = 0; + + temp = 0x82|MCI_MEMORY_DATA_BYTE0|((value&0x000000FF)<<8); + temp = temp<<10; + *p_fw_image = temp; + p_fw_image++; + temp = temp|((0x05)<<10); + *p_fw_image = temp; + p_fw_image++; + + /*write data byte 1;*/ + temp = 0x82|MCI_MEMORY_DATA_BYTE1|(value&0x0000FF00); + temp = temp<<10; + *p_fw_image = temp; + p_fw_image++; + temp = temp|((0x05)<<10); + *p_fw_image = temp; + p_fw_image++; + + /*write data byte 2;*/ + temp = 0x82|MCI_MEMORY_DATA_BYTE2|((value&0x00FF0000)>>8); + temp = temp<<10; + *p_fw_image = temp; + p_fw_image++; + temp = temp|((0x05)<<10); + *p_fw_image = temp; + p_fw_image++; + + /*write data byte 3;*/ + temp = 0x82|MCI_MEMORY_DATA_BYTE3|((value&0xFF000000)>>16); + temp = temp<<10; + *p_fw_image = temp; + p_fw_image++; + temp = temp|((0x05)<<10); + *p_fw_image = temp; + p_fw_image++; + + /* write address byte 2;*/ + temp = 0x82|MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE | + ((address & 0x003F0000)>>8); + temp = temp<<10; + *p_fw_image = temp; + p_fw_image++; + temp = temp|((0x05)<<10); + *p_fw_image = temp; + p_fw_image++; + + /* write address byte 1;*/ + temp = 0x82|MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00); + temp = temp<<10; + *p_fw_image = temp; + p_fw_image++; + temp = temp|((0x05)<<10); + *p_fw_image = temp; + p_fw_image++; + + /* write address byte 0;*/ + temp = 0x82|MCI_MEMORY_ADDRESS_BYTE0|((address & 0x00FF)<<8); + temp = temp<<10; + *p_fw_image = temp; + p_fw_image++; + temp = temp|((0x05)<<10); + *p_fw_image = temp; + p_fw_image++; + + for (i = 0; i < 6; i++) { + *p_fw_image = 0xFFFFFFFF; + p_fw_image++; + } +} + + +static int cx231xx_load_firmware(struct cx231xx *dev) +{ + static const unsigned char magic[8] = { + 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa + }; + const struct firmware *firmware; + int i, retval = 0; + u32 value = 0; + u32 gpio_output = 0; + /*u32 checksum = 0;*/ + /*u32 *dataptr;*/ + u32 transfer_size = 0; + u32 fw_data = 0; + u32 address = 0; + /*u32 current_fw[800];*/ + u32 *p_current_fw, *p_fw; + u32 *p_fw_data; + int frame = 0; + u16 _buffer_size = 4096; + u8 *p_buffer; + + p_current_fw = vmalloc(1884180 * 4); + p_fw = p_current_fw; + if (p_current_fw == NULL) { + dprintk(2, "FAIL!!!\n"); + return -1; + } + + p_buffer = vmalloc(4096); + if (p_buffer == NULL) { + dprintk(2, "FAIL!!!\n"); + return -1; + } + + dprintk(2, "%s()\n", __func__); + + /* Save GPIO settings before reset of APU */ + retval |= mc417_memory_read(dev, 0x9020, &gpio_output); + retval |= mc417_memory_read(dev, 0x900C, &value); + + retval = mc417_register_write(dev, + IVTV_REG_VPU, 0xFFFFFFED); + retval |= mc417_register_write(dev, + IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); + retval |= mc417_register_write(dev, + IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800); + retval |= mc417_register_write(dev, + IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A); + retval |= mc417_register_write(dev, + IVTV_REG_APU, 0); + + if (retval != 0) { + printk(KERN_ERR "%s: Error with mc417_register_write\n", + __func__); + return -1; + } + + retval = request_firmware(&firmware, CX231xx_FIRM_IMAGE_NAME, + &dev->udev->dev); + + if (retval != 0) { + printk(KERN_ERR + "ERROR: Hotplug firmware request failed (%s).\n", + CX231xx_FIRM_IMAGE_NAME); + printk(KERN_ERR "Please fix your hotplug setup, the board will " + "not work without firmware loaded!\n"); + return -1; + } + + if (firmware->size != CX231xx_FIRM_IMAGE_SIZE) { + printk(KERN_ERR "ERROR: Firmware size mismatch " + "(have %zd, expected %d)\n", + firmware->size, CX231xx_FIRM_IMAGE_SIZE); + release_firmware(firmware); + return -1; + } + + if (0 != memcmp(firmware->data, magic, 8)) { + printk(KERN_ERR + "ERROR: Firmware magic mismatch, wrong file?\n"); + release_firmware(firmware); + return -1; + } + + initGPIO(dev); + + /* transfer to the chip */ + dprintk(2, "Loading firmware to GPIO...\n"); + p_fw_data = (u32 *)firmware->data; + dprintk(2, "firmware->size=%zd\n", firmware->size); + for (transfer_size = 0; transfer_size < firmware->size; + transfer_size += 4) { + fw_data = *p_fw_data; + + mciWriteMemoryToGPIO(dev, address, fw_data, p_current_fw); + address = address + 1; + p_current_fw += 20; + p_fw_data += 1; + } + + /*download the firmware by ep5-out*/ + + for (frame = 0; frame < (int)(CX231xx_FIRM_IMAGE_SIZE*20/_buffer_size); + frame++) { + for (i = 0; i < _buffer_size; i++) { + *(p_buffer + i) = (u8)(*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x000000FF); + i++; + *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x0000FF00) >> 8); + i++; + *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x00FF0000) >> 16); + i++; + *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0xFF000000) >> 24); + } + cx231xx_ep5_bulkout(dev, p_buffer, _buffer_size); + } + + p_current_fw = p_fw; + vfree(p_current_fw); + p_current_fw = NULL; + uninitGPIO(dev); + release_firmware(firmware); + dprintk(1, "Firmware upload successful.\n"); + + retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS, + IVTV_CMD_HW_BLOCKS_RST); + if (retval < 0) { + printk(KERN_ERR "%s: Error with mc417_register_write\n", + __func__); + return retval; + } + /* F/W power up disturbs the GPIOs, restore state */ + retval |= mc417_register_write(dev, 0x9020, gpio_output); + retval |= mc417_register_write(dev, 0x900C, value); + + retval |= mc417_register_read(dev, IVTV_REG_VPU, &value); + retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8); + + if (retval < 0) { + printk(KERN_ERR "%s: Error with mc417_register_write\n", + __func__); + return retval; + } + return 0; +} + +static void cx231xx_417_check_encoder(struct cx231xx *dev) +{ + u32 status, seq; + + status = 0; + seq = 0; + cx231xx_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq); + dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq); +} + +static void cx231xx_codec_settings(struct cx231xx *dev) +{ + dprintk(1, "%s()\n", __func__); + + /* assign frame size */ + cx231xx_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, + dev->ts1.height, dev->ts1.width); + + dev->mpeg_params.width = dev->ts1.width; + dev->mpeg_params.height = dev->ts1.height; + + cx2341x_update(dev, cx231xx_mbox_func, NULL, &dev->mpeg_params); + + cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1); + cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1); +} + +static int cx231xx_initialize_codec(struct cx231xx *dev) +{ + int version; + int retval; + u32 i; + u32 val = 0; + + dprintk(1, "%s()\n", __func__); + cx231xx_disable656(dev); + retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ + if (retval < 0) { + dprintk(2, "%s() PING OK\n", __func__); + retval = cx231xx_load_firmware(dev); + if (retval < 0) { + printk(KERN_ERR "%s() f/w load failed\n", __func__); + return retval; + } + retval = cx231xx_find_mailbox(dev); + if (retval < 0) { + printk(KERN_ERR "%s() mailbox < 0, error\n", + __func__); + return -1; + } + dev->cx23417_mailbox = retval; + retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); + if (retval < 0) { + printk(KERN_ERR + "ERROR: cx23417 firmware ping failed!\n"); + return -1; + } + retval = cx231xx_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, + &version); + if (retval < 0) { + printk(KERN_ERR "ERROR: cx23417 firmware get encoder :" + "version failed!\n"); + return -1; + } + dprintk(1, "cx23417 firmware version is 0x%08x\n", version); + msleep(200); + } + + for (i = 0; i < 1; i++) { + retval = mc417_register_read(dev, 0x20f8, &val); + dprintk(3, "***before enable656() VIM Capture Lines =%d ***\n", + val); + if (retval < 0) + return retval; + } + + cx231xx_enable656(dev); + /* stop mpeg capture */ + cx231xx_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, + 3, 0, 1, 3, 4); + + cx231xx_codec_settings(dev); + msleep(60); + +/* cx231xx_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0, + CX231xx_FIELD1_SAA7115, CX231xx_FIELD2_SAA7115); + cx231xx_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0, + CX231xx_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0); +*/ + +#if 0 + /* TODO */ + u32 data[7]; + + /* Setup to capture VBI */ + data[0] = 0x0001BD00; + data[1] = 1; /* frames per interrupt */ + data[2] = 4; /* total bufs */ + data[3] = 0x91559155; /* start codes */ + data[4] = 0x206080C0; /* stop codes */ + data[5] = 6; /* lines */ + data[6] = 64; /* BPL */ + + cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1], + data[2], data[3], data[4], data[5], data[6]); + + for (i = 2; i <= 24; i++) { + int valid; + + valid = ((i >= 19) && (i <= 21)); + cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i, + valid, 0 , 0, 0); + cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, + i | 0x80000000, valid, 0, 0, 0); + } +#endif +/* cx231xx_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX231xx_UNMUTE); + msleep(60); +*/ + /* initialize the video input */ + retval = cx231xx_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0); + if (retval < 0) + return retval; + msleep(60); + + /* Enable VIP style pixel invalidation so we work with scaled mode */ + mc417_memory_write(dev, 2120, 0x00000080); + + /* start capturing to the host interface */ + retval = cx231xx_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, + CX231xx_MPEG_CAPTURE, CX231xx_RAW_BITS_NONE); + if (retval < 0) + return retval; + msleep(10); + + for (i = 0; i < 1; i++) { + mc417_register_read(dev, 0x20f8, &val); + dprintk(3, "***VIM Capture Lines =%d ***\n", val); + } + + return 0; +} + +/* ------------------------------------------------------------------ */ + +static int bb_buf_setup(struct videobuf_queue *q, + unsigned int *count, unsigned int *size) +{ + struct cx231xx_fh *fh = q->priv_data; + + fh->dev->ts1.ts_packet_size = mpeglinesize; + fh->dev->ts1.ts_packet_count = mpeglines; + + *size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count; + *count = mpegbufs; + + return 0; +} +static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf) +{ + struct cx231xx_fh *fh = vq->priv_data; + struct cx231xx *dev = fh->dev; + unsigned long flags = 0; + + if (in_interrupt()) + BUG(); + + spin_lock_irqsave(&dev->video_mode.slock, flags); + if (dev->USE_ISO) { + if (dev->video_mode.isoc_ctl.buf == buf) + dev->video_mode.isoc_ctl.buf = NULL; + } else { + if (dev->video_mode.bulk_ctl.buf == buf) + dev->video_mode.bulk_ctl.buf = NULL; + } + spin_unlock_irqrestore(&dev->video_mode.slock, flags); + videobuf_waiton(vq, &buf->vb, 0, 0); + videobuf_vmalloc_free(&buf->vb); + buf->vb.state = VIDEOBUF_NEEDS_INIT; +} + +static void buffer_copy(struct cx231xx *dev, char *data, int len, struct urb *urb, + struct cx231xx_dmaqueue *dma_q) +{ + void *vbuf; + struct cx231xx_buffer *buf; + u32 tail_data = 0; + char *p_data; + + if (dma_q->mpeg_buffer_done == 0) { + if (list_empty(&dma_q->active)) + return; + + buf = list_entry(dma_q->active.next, + struct cx231xx_buffer, vb.queue); + dev->video_mode.isoc_ctl.buf = buf; + dma_q->mpeg_buffer_done = 1; + } + /* Fill buffer */ + buf = dev->video_mode.isoc_ctl.buf; + vbuf = videobuf_to_vmalloc(&buf->vb); + + if ((dma_q->mpeg_buffer_completed+len) < + mpeglines*mpeglinesize) { + if (dma_q->add_ps_package_head == + CX231XX_NEED_ADD_PS_PACKAGE_HEAD) { + memcpy(vbuf+dma_q->mpeg_buffer_completed, + dma_q->ps_head, 3); + dma_q->mpeg_buffer_completed = + dma_q->mpeg_buffer_completed + 3; + dma_q->add_ps_package_head = + CX231XX_NONEED_PS_PACKAGE_HEAD; + } + memcpy(vbuf+dma_q->mpeg_buffer_completed, data, len); + dma_q->mpeg_buffer_completed = + dma_q->mpeg_buffer_completed + len; + } else { + dma_q->mpeg_buffer_done = 0; + + tail_data = + mpeglines*mpeglinesize - dma_q->mpeg_buffer_completed; + memcpy(vbuf+dma_q->mpeg_buffer_completed, + data, tail_data); + + buf->vb.state = VIDEOBUF_DONE; + buf->vb.field_count++; + do_gettimeofday(&buf->vb.ts); + list_del(&buf->vb.queue); + wake_up(&buf->vb.done); + dma_q->mpeg_buffer_completed = 0; + + if (len - tail_data > 0) { + p_data = data + tail_data; + dma_q->left_data_count = len - tail_data; + memcpy(dma_q->p_left_data, + p_data, len - tail_data); + } + + } + + return; +} + +static void buffer_filled(char *data, int len, struct urb *urb, + struct cx231xx_dmaqueue *dma_q) +{ + void *vbuf; + struct cx231xx_buffer *buf; + + if (list_empty(&dma_q->active)) + return; + + + buf = list_entry(dma_q->active.next, + struct cx231xx_buffer, vb.queue); + + + /* Fill buffer */ + vbuf = videobuf_to_vmalloc(&buf->vb); + memcpy(vbuf, data, len); + buf->vb.state = VIDEOBUF_DONE; + buf->vb.field_count++; + do_gettimeofday(&buf->vb.ts); + list_del(&buf->vb.queue); + wake_up(&buf->vb.done); + + return; +} +static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb) +{ + struct cx231xx_dmaqueue *dma_q = urb->context; + unsigned char *p_buffer; + u32 buffer_size = 0; + u32 i = 0; + + for (i = 0; i < urb->number_of_packets; i++) { + if (dma_q->left_data_count > 0) { + buffer_copy(dev, dma_q->p_left_data, + dma_q->left_data_count, urb, dma_q); + dma_q->mpeg_buffer_completed = dma_q->left_data_count; + dma_q->left_data_count = 0; + } + + p_buffer = urb->transfer_buffer + + urb->iso_frame_desc[i].offset; + buffer_size = urb->iso_frame_desc[i].actual_length; + + if (buffer_size > 0) + buffer_copy(dev, p_buffer, buffer_size, urb, dma_q); + } + + return 0; +} +static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb) +{ + + /*char *outp;*/ + /*struct cx231xx_buffer *buf;*/ + struct cx231xx_dmaqueue *dma_q = urb->context; + unsigned char *p_buffer, *buffer; + u32 buffer_size = 0; + + p_buffer = urb->transfer_buffer; + buffer_size = urb->actual_length; + + buffer = kmalloc(buffer_size, GFP_ATOMIC); + + memcpy(buffer, dma_q->ps_head, 3); + memcpy(buffer+3, p_buffer, buffer_size-3); + memcpy(dma_q->ps_head, p_buffer+buffer_size-3, 3); + + p_buffer = buffer; + buffer_filled(p_buffer, buffer_size, urb, dma_q); + + kfree(buffer); + return 0; +} + +static int bb_buf_prepare(struct videobuf_queue *q, + struct videobuf_buffer *vb, enum v4l2_field field) +{ + struct cx231xx_fh *fh = q->priv_data; + struct cx231xx_buffer *buf = + container_of(vb, struct cx231xx_buffer, vb); + struct cx231xx *dev = fh->dev; + int rc = 0, urb_init = 0; + int size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count; + + dma_qq = &dev->video_mode.vidq; + + if (0 != buf->vb.baddr && buf->vb.bsize < size) + return -EINVAL; + buf->vb.width = fh->dev->ts1.ts_packet_size; + buf->vb.height = fh->dev->ts1.ts_packet_count; + buf->vb.size = size; + buf->vb.field = field; + + if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { + rc = videobuf_iolock(q, &buf->vb, NULL); + if (rc < 0) + goto fail; + } + + if (dev->USE_ISO) { + if (!dev->video_mode.isoc_ctl.num_bufs) + urb_init = 1; + } else { + if (!dev->video_mode.bulk_ctl.num_bufs) + urb_init = 1; + } + /*cx231xx_info("urb_init=%d dev->video_mode.max_pkt_size=%d\n", + urb_init, dev->video_mode.max_pkt_size);*/ + dev->mode_tv = 1; + + if (urb_init) { + rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); + rc = cx231xx_unmute_audio(dev); + if (dev->USE_ISO) { + cx231xx_set_alt_setting(dev, INDEX_TS1, 4); + rc = cx231xx_init_isoc(dev, mpeglines, + mpegbufs, + dev->ts1_mode.max_pkt_size, + cx231xx_isoc_copy); + } else { + cx231xx_set_alt_setting(dev, INDEX_TS1, 0); + rc = cx231xx_init_bulk(dev, mpeglines, + mpegbufs, + dev->ts1_mode.max_pkt_size, + cx231xx_bulk_copy); + } + if (rc < 0) + goto fail; + } + + buf->vb.state = VIDEOBUF_PREPARED; + return 0; + +fail: + free_buffer(q, buf); + return rc; +} + +static void bb_buf_queue(struct videobuf_queue *q, + struct videobuf_buffer *vb) +{ + struct cx231xx_fh *fh = q->priv_data; + + struct cx231xx_buffer *buf = + container_of(vb, struct cx231xx_buffer, vb); + struct cx231xx *dev = fh->dev; + struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; + + buf->vb.state = VIDEOBUF_QUEUED; + list_add_tail(&buf->vb.queue, &vidq->active); + +} + +static void bb_buf_release(struct videobuf_queue *q, + struct videobuf_buffer *vb) +{ + struct cx231xx_buffer *buf = + container_of(vb, struct cx231xx_buffer, vb); + /*struct cx231xx_fh *fh = q->priv_data;*/ + /*struct cx231xx *dev = (struct cx231xx *)fh->dev;*/ + + free_buffer(q, buf); +} + +static struct videobuf_queue_ops cx231xx_qops = { + .buf_setup = bb_buf_setup, + .buf_prepare = bb_buf_prepare, + .buf_queue = bb_buf_queue, + .buf_release = bb_buf_release, +}; + +/* ------------------------------------------------------------------ */ + +static const u32 *ctrl_classes[] = { + cx2341x_mpeg_ctrls, + NULL +}; + +static int cx231xx_queryctrl(struct cx231xx *dev, + struct v4l2_queryctrl *qctrl) +{ + qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); + if (qctrl->id == 0) + return -EINVAL; + + /* MPEG V4L2 controls */ + if (cx2341x_ctrl_query(&dev->mpeg_params, qctrl)) + qctrl->flags |= V4L2_CTRL_FLAG_DISABLED; + + return 0; +} + +static int cx231xx_querymenu(struct cx231xx *dev, + struct v4l2_querymenu *qmenu) +{ + struct v4l2_queryctrl qctrl; + + qctrl.id = qmenu->id; + cx231xx_queryctrl(dev, &qctrl); + return v4l2_ctrl_query_menu(qmenu, &qctrl, + cx2341x_ctrl_get_menu(&dev->mpeg_params, qmenu->id)); +} + +static int vidioc_g_std(struct file *file, void *fh0, v4l2_std_id *norm) +{ + struct cx231xx_fh *fh = file->private_data; + struct cx231xx *dev = fh->dev; + + *norm = dev->encodernorm.id; + return 0; +} +static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *id) +{ + struct cx231xx_fh *fh = file->private_data; + struct cx231xx *dev = fh->dev; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(cx231xx_tvnorms); i++) + if (*id & cx231xx_tvnorms[i].id) + break; + if (i == ARRAY_SIZE(cx231xx_tvnorms)) + return -EINVAL; + dev->encodernorm = cx231xx_tvnorms[i]; + + if (dev->encodernorm.id & 0xb000) { + dprintk(3, "encodernorm set to NTSC\n"); + dev->norm = V4L2_STD_NTSC; + dev->ts1.height = 480; + dev->mpeg_params.is_50hz = 0; + } else { + dprintk(3, "encodernorm set to PAL\n"); + dev->norm = V4L2_STD_PAL_B; + dev->ts1.height = 576; + dev->mpeg_params.is_50hz = 1; + } + call_all(dev, core, s_std, dev->norm); + /* do mode control overrides */ + cx231xx_do_mode_ctrl_overrides(dev); + + dprintk(3, "exit vidioc_s_std() i=0x%x\n", i); + return 0; +} +static int vidioc_g_audio(struct file *file, void *fh, + struct v4l2_audio *a) +{ + struct v4l2_audio *vin = a; + + int ret = -EINVAL; + if (vin->index > 0) + return ret; + strncpy(vin->name, "VideoGrabber Audio", 14); + vin->capability = V4L2_AUDCAP_STEREO; +return 0; +} +static int vidioc_enumaudio(struct file *file, void *fh, + struct v4l2_audio *a) +{ + struct v4l2_audio *vin = a; + + int ret = -EINVAL; + + if (vin->index > 0) + return ret; + strncpy(vin->name, "VideoGrabber Audio", 14); + vin->capability = V4L2_AUDCAP_STEREO; + + +return 0; +} +static const char *iname[] = { + [CX231XX_VMUX_COMPOSITE1] = "Composite1", + [CX231XX_VMUX_SVIDEO] = "S-Video", + [CX231XX_VMUX_TELEVISION] = "Television", + [CX231XX_VMUX_CABLE] = "Cable TV", + [CX231XX_VMUX_DVB] = "DVB", + [CX231XX_VMUX_DEBUG] = "for debug only", +}; +static int vidioc_enum_input(struct file *file, void *priv, + struct v4l2_input *i) +{ + struct cx231xx_fh *fh = file->private_data; + struct cx231xx *dev = fh->dev; + struct cx231xx_input *input; + int n; + dprintk(3, "enter vidioc_enum_input()i->index=%d\n", i->index); + + if (i->index >= 4) + return -EINVAL; + + + input = &cx231xx_boards[dev->model].input[i->index]; + + if (input->type == 0) + return -EINVAL; + + /* FIXME + * strcpy(i->name, input->name); */ + + n = i->index; + strcpy(i->name, iname[INPUT(n)->type]); + + if (input->type == CX231XX_VMUX_TELEVISION || + input->type == CX231XX_VMUX_CABLE) + i->type = V4L2_INPUT_TYPE_TUNER; + else + i->type = V4L2_INPUT_TYPE_CAMERA; + + + return 0; +} + +static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) +{ + *i = 0; + return 0; +} + +static int vidioc_s_input(struct file *file, void *priv, unsigned int i) +{ + struct cx231xx_fh *fh = file->private_data; + struct cx231xx *dev = fh->dev; + + dprintk(3, "enter vidioc_s_input() i=%d\n", i); + + mutex_lock(&dev->lock); + + video_mux(dev, i); + + mutex_unlock(&dev->lock); + + if (i >= 4) + return -EINVAL; + dev->input = i; + dprintk(3, "exit vidioc_s_input()\n"); + return 0; +} + +static int vidioc_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + return 0; +} + +static int vidioc_s_tuner(struct file *file, void *priv, + struct v4l2_tuner *t) +{ + return 0; +} + +static int vidioc_g_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + return 0; +} + +static int vidioc_s_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + + + return 0; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctl) +{ + struct cx231xx_fh *fh = file->private_data; + struct cx231xx *dev = fh->dev; + dprintk(3, "enter vidioc_s_ctrl()\n"); + /* Update the A/V core */ + call_all(dev, core, s_ctrl, ctl); + dprintk(3, "exit vidioc_s_ctrl()\n"); + return 0; +} +static struct v4l2_capability pvr_capability = { + .driver = "cx231xx", + .card = "VideoGrabber", + .bus_info = "usb", + .version = 1, + .capabilities = (V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_RADIO | + V4L2_CAP_STREAMING | V4L2_CAP_READWRITE), +}; +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + + + + memcpy(cap, &pvr_capability, sizeof(struct v4l2_capability)); + return 0; +} + +static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_fmtdesc *f) +{ + + if (f->index != 0) + return -EINVAL; + + strlcpy(f->description, "MPEG", sizeof(f->description)); + f->pixelformat = V4L2_PIX_FMT_MPEG; + + return 0; +} + +static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx231xx_fh *fh = file->private_data; + struct cx231xx *dev = fh->dev; + dprintk(3, "enter vidioc_g_fmt_vid_cap()\n"); + f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; + f->fmt.pix.bytesperline = 0; + f->fmt.pix.sizeimage = + dev->ts1.ts_packet_size * dev->ts1.ts_packet_count; + f->fmt.pix.colorspace = 0; + f->fmt.pix.width = dev->ts1.width; + f->fmt.pix.height = dev->ts1.height; + f->fmt.pix.field = fh->vidq.field; + dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n", + dev->ts1.width, dev->ts1.height, fh->vidq.field); + dprintk(3, "exit vidioc_g_fmt_vid_cap()\n"); + return 0; +} + +static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct cx231xx_fh *fh = file->private_data; + struct cx231xx *dev = fh->dev; + dprintk(3, "enter vidioc_try_fmt_vid_cap()\n"); + f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; + f->fmt.pix.bytesperline = 0; + f->fmt.pix.sizeimage = + dev->ts1.ts_packet_size * dev->ts1.ts_packet_count; + f->fmt.pix.colorspace = 0; + dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n", + dev->ts1.width, dev->ts1.height, fh->vidq.field); + dprintk(3, "exit vidioc_try_fmt_vid_cap()\n"); + return 0; +} + +static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + + return 0; +} + +static int vidioc_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *p) +{ + struct cx231xx_fh *fh = file->private_data; + + return videobuf_reqbufs(&fh->vidq, p); +} + +static int vidioc_querybuf(struct file *file, void *priv, + struct v4l2_buffer *p) +{ + struct cx231xx_fh *fh = file->private_data; + + return videobuf_querybuf(&fh->vidq, p); +} + +static int vidioc_qbuf(struct file *file, void *priv, + struct v4l2_buffer *p) +{ + struct cx231xx_fh *fh = file->private_data; + + return videobuf_qbuf(&fh->vidq, p); +} + +static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) +{ + struct cx231xx_fh *fh = priv; + + return videobuf_dqbuf(&fh->vidq, b, file->f_flags & O_NONBLOCK); +} + + +static int vidioc_streamon(struct file *file, void *priv, + enum v4l2_buf_type i) +{ + struct cx231xx_fh *fh = file->private_data; + + struct cx231xx *dev = fh->dev; + dprintk(3, "enter vidioc_streamon()\n"); + cx231xx_set_alt_setting(dev, INDEX_TS1, 0); + cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); + if (dev->USE_ISO) + cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS, + CX231XX_NUM_BUFS, + dev->video_mode.max_pkt_size, + cx231xx_isoc_copy); + else { + cx231xx_init_bulk(dev, 320, + 5, + dev->ts1_mode.max_pkt_size, + cx231xx_bulk_copy); + } + dprintk(3, "exit vidioc_streamon()\n"); + return videobuf_streamon(&fh->vidq); +} + +static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) +{ + struct cx231xx_fh *fh = file->private_data; + + return videobuf_streamoff(&fh->vidq); +} + +static int vidioc_g_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *f) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + dprintk(3, "enter vidioc_g_ext_ctrls()\n"); + if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) + return -EINVAL; + dprintk(3, "exit vidioc_g_ext_ctrls()\n"); + return cx2341x_ext_ctrls(&dev->mpeg_params, 0, f, VIDIOC_G_EXT_CTRLS); +} + +static int vidioc_s_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *f) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + struct cx2341x_mpeg_params p; + int err; + dprintk(3, "enter vidioc_s_ext_ctrls()\n"); + if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) + return -EINVAL; + + p = dev->mpeg_params; + err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS); + if (err == 0) { + err = cx2341x_update(dev, cx231xx_mbox_func, + &dev->mpeg_params, &p); + dev->mpeg_params = p; + } + + return err; + + +return 0; +} + +static int vidioc_try_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *f) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + struct cx2341x_mpeg_params p; + int err; + dprintk(3, "enter vidioc_try_ext_ctrls()\n"); + if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) + return -EINVAL; + + p = dev->mpeg_params; + err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS); + dprintk(3, "exit vidioc_try_ext_ctrls() err=%d\n", err); + return err; +} + +static int vidioc_log_status(struct file *file, void *priv) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + char name[32 + 2]; + + snprintf(name, sizeof(name), "%s/2", dev->name); + dprintk(3, + "%s/2: ============ START LOG STATUS ============\n", + dev->name); + call_all(dev, core, log_status); + cx2341x_log_status(&dev->mpeg_params, name); + dprintk(3, + "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; +} + +static int vidioc_querymenu(struct file *file, void *priv, + struct v4l2_querymenu *a) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + dprintk(3, "enter vidioc_querymenu()\n"); + dprintk(3, "exit vidioc_querymenu()\n"); + return cx231xx_querymenu(dev, a); +} + +static int vidioc_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *c) +{ + struct cx231xx_fh *fh = priv; + struct cx231xx *dev = fh->dev; + dprintk(3, "enter vidioc_queryctrl()\n"); + dprintk(3, "exit vidioc_queryctrl()\n"); + return cx231xx_queryctrl(dev, c); +} + +static int mpeg_open(struct file *file) +{ + int minor = video_devdata(file)->minor; + struct cx231xx *h, *dev = NULL; + /*struct list_head *list;*/ + struct cx231xx_fh *fh; + /*u32 value = 0;*/ + + dprintk(2, "%s()\n", __func__); + + list_for_each_entry(h, &cx231xx_devlist, devlist) { + if (h->v4l_device->minor == minor) + dev = h; + } + + if (dev == NULL) + return -ENODEV; + + mutex_lock(&dev->lock); + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) { + mutex_unlock(&dev->lock); + return -ENOMEM; + } + + file->private_data = fh; + fh->dev = dev; + + + videobuf_queue_vmalloc_init(&fh->vidq, &cx231xx_qops, + NULL, &dev->video_mode.slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, + sizeof(struct cx231xx_buffer), fh, NULL); +/* + videobuf_queue_sg_init(&fh->vidq, &cx231xx_qops, + &dev->udev->dev, &dev->ts1.slock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct cx231xx_buffer), + fh, NULL); +*/ + + + cx231xx_set_alt_setting(dev, INDEX_VANC, 1); + cx231xx_set_gpio_value(dev, 2, 0); + + cx231xx_initialize_codec(dev); + + mutex_unlock(&dev->lock); + cx231xx_start_TS1(dev); + + return 0; +} + +static int mpeg_release(struct file *file) +{ + struct cx231xx_fh *fh = file->private_data; + struct cx231xx *dev = fh->dev; + + dprintk(3, "mpeg_release()! dev=0x%p\n", dev); + + if (!dev) { + dprintk(3, "abort!!!\n"); + return 0; + } + + mutex_lock(&dev->lock); + + cx231xx_stop_TS1(dev); + + /* do this before setting alternate! */ + if (dev->USE_ISO) + cx231xx_uninit_isoc(dev); + else + cx231xx_uninit_bulk(dev); + cx231xx_set_mode(dev, CX231XX_SUSPEND); + + cx231xx_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, + CX231xx_END_NOW, CX231xx_MPEG_CAPTURE, + CX231xx_RAW_BITS_NONE); + + /* FIXME: Review this crap */ + /* Shut device down on last close */ + if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) { + if (atomic_dec_return(&dev->v4l_reader_count) == 0) { + /* stop mpeg capture */ + + msleep(500); + cx231xx_417_check_encoder(dev); + + } + } + + if (fh->vidq.streaming) + videobuf_streamoff(&fh->vidq); + if (fh->vidq.reading) + videobuf_read_stop(&fh->vidq); + + videobuf_mmap_free(&fh->vidq); + file->private_data = NULL; + kfree(fh); + mutex_unlock(&dev->lock); + return 0; +} + +static ssize_t mpeg_read(struct file *file, char __user *data, + size_t count, loff_t *ppos) +{ + struct cx231xx_fh *fh = file->private_data; + struct cx231xx *dev = fh->dev; + + + /* Deal w/ A/V decoder * and mpeg encoder sync issues. */ + /* Start mpeg encoder on first read. */ + if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) { + if (atomic_inc_return(&dev->v4l_reader_count) == 1) { + if (cx231xx_initialize_codec(dev) < 0) + return -EINVAL; + } + } + + return videobuf_read_stream(&fh->vidq, data, count, ppos, 0, + file->f_flags & O_NONBLOCK); +} + +static unsigned int mpeg_poll(struct file *file, + struct poll_table_struct *wait) +{ + struct cx231xx_fh *fh = file->private_data; + /*struct cx231xx *dev = fh->dev;*/ + + /*dprintk(2, "%s\n", __func__);*/ + + return videobuf_poll_stream(file, &fh->vidq, wait); +} + +static int mpeg_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct cx231xx_fh *fh = file->private_data; + struct cx231xx *dev = fh->dev; + + dprintk(2, "%s()\n", __func__); + + return videobuf_mmap_mapper(&fh->vidq, vma); +} + +static struct v4l2_file_operations mpeg_fops = { + .owner = THIS_MODULE, + .open = mpeg_open, + .release = mpeg_release, + .read = mpeg_read, + .poll = mpeg_poll, + .mmap = mpeg_mmap, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { + .vidioc_s_std = vidioc_s_std, + .vidioc_g_std = vidioc_g_std, + .vidioc_enum_input = vidioc_enum_input, + .vidioc_enumaudio = vidioc_enumaudio, + .vidioc_g_audio = vidioc_g_audio, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_frequency = vidioc_g_frequency, + .vidioc_s_frequency = vidioc_s_frequency, + .vidioc_s_ctrl = vidioc_s_ctrl, + .vidioc_querycap = vidioc_querycap, + .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_reqbufs = vidioc_reqbufs, + .vidioc_querybuf = vidioc_querybuf, + .vidioc_qbuf = vidioc_qbuf, + .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_streamon = vidioc_streamon, + .vidioc_streamoff = vidioc_streamoff, + .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls, + .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls, + .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls, + .vidioc_log_status = vidioc_log_status, + .vidioc_querymenu = vidioc_querymenu, + .vidioc_queryctrl = vidioc_queryctrl, +/* .vidioc_g_chip_ident = cx231xx_g_chip_ident,*/ +#ifdef CONFIG_VIDEO_ADV_DEBUG +/* .vidioc_g_register = cx231xx_g_register,*/ +/* .vidioc_s_register = cx231xx_s_register,*/ +#endif +}; + +static struct video_device cx231xx_mpeg_template = { + .name = "cx231xx", + .fops = &mpeg_fops, + .ioctl_ops = &mpeg_ioctl_ops, + .minor = -1, + .tvnorms = CX231xx_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; + +void cx231xx_417_unregister(struct cx231xx *dev) +{ + dprintk(1, "%s()\n", __func__); + dprintk(3, "%s()\n", __func__); + + if (dev->v4l_device) { + if (-1 != dev->v4l_device->minor) + video_unregister_device(dev->v4l_device); + else + video_device_release(dev->v4l_device); + dev->v4l_device = NULL; + } +} + +static struct video_device *cx231xx_video_dev_alloc( + struct cx231xx *dev, + struct usb_device *usbdev, + struct video_device *template, + char *type) +{ + struct video_device *vfd; + + dprintk(1, "%s()\n", __func__); + vfd = video_device_alloc(); + if (NULL == vfd) + return NULL; + *vfd = *template; + vfd->minor = -1; + snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, + type, cx231xx_boards[dev->model].name); + + vfd->v4l2_dev = &dev->v4l2_dev; + vfd->release = video_device_release; + + return vfd; + +} + +int cx231xx_417_register(struct cx231xx *dev) +{ + /* FIXME: Port1 hardcoded here */ + int err = -ENODEV; + struct cx231xx_tsport *tsport = &dev->ts1; + + dprintk(1, "%s()\n", __func__); + + /* Set default TV standard */ + dev->encodernorm = cx231xx_tvnorms[0]; + + if (dev->encodernorm.id & V4L2_STD_525_60) + tsport->height = 480; + else + tsport->height = 576; + + tsport->width = 720; + cx2341x_fill_defaults(&dev->mpeg_params); + dev->norm = V4L2_STD_NTSC; + + dev->mpeg_params.port = CX2341X_PORT_SERIAL; + + /* Allocate and initialize V4L video device */ + dev->v4l_device = cx231xx_video_dev_alloc(dev, + dev->udev, &cx231xx_mpeg_template, "mpeg"); + err = video_register_device(dev->v4l_device, + VFL_TYPE_GRABBER, -1); + if (err < 0) { + dprintk(3, "%s: can't register mpeg device\n", dev->name); + return err; + } + + dprintk(3, "%s: registered device video%d [mpeg]\n", + dev->name, dev->v4l_device->num); + + return 0; +} + +MODULE_FIRMWARE(CX231xx_FIRM_IMAGE_NAME); 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