/* * * 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. */ #include "cx231xx.h" #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/v4l2-event.h> #include <media/drv-intf/cx2341x.h> #include <media/tuner.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"); #define dprintk(level, fmt, arg...) \ do { \ if (v4l_debug >= level) \ printk(KERN_DEBUG pr_fmt(fmt), ## 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 set_itvc_reg(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 get_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 *val_ptr) { 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 *)val_ptr, 4, 0, 1); return status; } static int wait_for_mci_complete(struct cx231xx *dev) { u32 gpio; u32 gpio_direction = 0; u8 count = 0; get_itvc_reg(dev, gpio_direction, &gpio); while (!(gpio&0x020000)) { msleep(10); get_itvc_reg(dev, gpio_direction, &gpio); if (count++ > 100) { dprintk(3, "ERROR: Timeout - gpio=%x\n", gpio); return -EIO; } } 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 = set_itvc_reg(dev, ITVC_WRITE_DIR, temp); if (status < 0) return status; temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*write data byte 1;*/ temp = 0x82 | MCI_REGISTER_DATA_BYTE1 | (value & 0x0000FF00); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*write data byte 2;*/ temp = 0x82 | MCI_REGISTER_DATA_BYTE2 | ((value & 0x00FF0000) >> 8); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*write data byte 3;*/ temp = 0x82 | MCI_REGISTER_DATA_BYTE3 | ((value & 0xFF000000) >> 16); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*write address byte 0;*/ temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x000000FF) << 8); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*write address byte 1;*/ temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0x0000FF00); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*Write that the mode is write.*/ temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_WRITE; temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); return wait_for_mci_complete(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; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | ((0x05) << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*write address byte 1;*/ temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0xFF00); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | ((0x05) << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*write that the mode is read;*/ temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_READ; temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | ((0x05) << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*wait for the MIRDY line to be asserted , signalling that the read is done;*/ ret = wait_for_mci_complete(dev); /*switch the DATA- GPIO to input mode;*/ /*Read data byte 0;*/ temp = (0x82 | MCI_REGISTER_DATA_BYTE0) << 10; set_itvc_reg(dev, ITVC_READ_DIR, temp); temp = ((0x81 | MCI_REGISTER_DATA_BYTE0) << 10); set_itvc_reg(dev, ITVC_READ_DIR, temp); get_itvc_reg(dev, ITVC_READ_DIR, &temp); return_value |= ((temp & 0x03FC0000) >> 18); set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); /* Read data byte 1;*/ temp = (0x82 | MCI_REGISTER_DATA_BYTE1) << 10; set_itvc_reg(dev, ITVC_READ_DIR, temp); temp = ((0x81 | MCI_REGISTER_DATA_BYTE1) << 10); set_itvc_reg(dev, ITVC_READ_DIR, temp); get_itvc_reg(dev, ITVC_READ_DIR, &temp); return_value |= ((temp & 0x03FC0000) >> 10); set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); /*Read data byte 2;*/ temp = (0x82 | MCI_REGISTER_DATA_BYTE2) << 10; set_itvc_reg(dev, ITVC_READ_DIR, temp); temp = ((0x81 | MCI_REGISTER_DATA_BYTE2) << 10); set_itvc_reg(dev, ITVC_READ_DIR, temp); get_itvc_reg(dev, ITVC_READ_DIR, &temp); return_value |= ((temp & 0x03FC0000) >> 2); set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); /*Read data byte 3;*/ temp = (0x82 | MCI_REGISTER_DATA_BYTE3) << 10; set_itvc_reg(dev, ITVC_READ_DIR, temp); temp = ((0x81 | MCI_REGISTER_DATA_BYTE3) << 10); set_itvc_reg(dev, ITVC_READ_DIR, temp); get_itvc_reg(dev, ITVC_READ_DIR, &temp); return_value |= ((temp & 0x03FC0000) << 6); set_itvc_reg(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 = set_itvc_reg(dev, ITVC_WRITE_DIR, temp); if (ret < 0) return ret; temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*write data byte 1;*/ temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*write data byte 2;*/ temp = 0x82 | MCI_MEMORY_DATA_BYTE2 | ((value & 0x00FF0000) >> 8); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*write data byte 3;*/ temp = 0x82 | MCI_MEMORY_DATA_BYTE3 | ((value & 0xFF000000) >> 16); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(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; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /* write address byte 1;*/ temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /* write address byte 0;*/ temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*wait for MIRDY line;*/ wait_for_mci_complete(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 = set_itvc_reg(dev, ITVC_WRITE_DIR, temp); if (ret < 0) return ret; temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*write address byte 1*/ temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*write address byte 0*/ temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8); temp = temp << 10; set_itvc_reg(dev, ITVC_WRITE_DIR, temp); temp = temp | (0x05 << 10); set_itvc_reg(dev, ITVC_WRITE_DIR, temp); /*Wait for MIRDY line*/ ret = wait_for_mci_complete(dev); /*Read data byte 3;*/ temp = (0x82 | MCI_MEMORY_DATA_BYTE3) << 10; set_itvc_reg(dev, ITVC_READ_DIR, temp); temp = ((0x81 | MCI_MEMORY_DATA_BYTE3) << 10); set_itvc_reg(dev, ITVC_READ_DIR, temp); get_itvc_reg(dev, ITVC_READ_DIR, &temp); return_value |= ((temp & 0x03FC0000) << 6); set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); /*Read data byte 2;*/ temp = (0x82 | MCI_MEMORY_DATA_BYTE2) << 10; set_itvc_reg(dev, ITVC_READ_DIR, temp); temp = ((0x81 | MCI_MEMORY_DATA_BYTE2) << 10); set_itvc_reg(dev, ITVC_READ_DIR, temp); get_itvc_reg(dev, ITVC_READ_DIR, &temp); return_value |= ((temp & 0x03FC0000) >> 2); set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); /* Read data byte 1;*/ temp = (0x82 | MCI_MEMORY_DATA_BYTE1) << 10; set_itvc_reg(dev, ITVC_READ_DIR, temp); temp = ((0x81 | MCI_MEMORY_DATA_BYTE1) << 10); set_itvc_reg(dev, ITVC_READ_DIR, temp); get_itvc_reg(dev, ITVC_READ_DIR, &temp); return_value |= ((temp & 0x03FC0000) >> 10); set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); /*Read data byte 0;*/ temp = (0x82 | MCI_MEMORY_DATA_BYTE0) << 10; set_itvc_reg(dev, ITVC_READ_DIR, temp); temp = ((0x81 | MCI_MEMORY_DATA_BYTE0) << 10); set_itvc_reg(dev, ITVC_READ_DIR, temp); get_itvc_reg(dev, ITVC_READ_DIR, &temp); return_value |= ((temp & 0x03FC0000) >> 18); set_itvc_reg(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 -EIO; } /* 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 -EBUSY; } 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 -EIO; } 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 0; } /* 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 -EIO; } static void mci_write_memory_to_gpio(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 -ENOMEM; } p_buffer = vmalloc(4096); if (p_buffer == NULL) { dprintk(2, "FAIL!!!\n"); vfree(p_current_fw); return -ENOMEM; } 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) { dev_err(dev->dev, "%s: Error with mc417_register_write\n", __func__); vfree(p_current_fw); vfree(p_buffer); return retval; } retval = request_firmware(&firmware, CX231xx_FIRM_IMAGE_NAME, dev->dev); if (retval != 0) { dev_err(dev->dev, "ERROR: Hotplug firmware request failed (%s).\n", CX231xx_FIRM_IMAGE_NAME); dev_err(dev->dev, "Please fix your hotplug setup, the board will not work without firmware loaded!\n"); vfree(p_current_fw); vfree(p_buffer); return retval; } if (firmware->size != CX231xx_FIRM_IMAGE_SIZE) { dev_err(dev->dev, "ERROR: Firmware size mismatch (have %zd, expected %d)\n", firmware->size, CX231xx_FIRM_IMAGE_SIZE); release_firmware(firmware); vfree(p_current_fw); vfree(p_buffer); return -EINVAL; } if (0 != memcmp(firmware->data, magic, 8)) { dev_err(dev->dev, "ERROR: Firmware magic mismatch, wrong file?\n"); release_firmware(firmware); vfree(p_current_fw); vfree(p_buffer); return -EINVAL; } 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; mci_write_memory_to_gpio(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) { dev_err(dev->dev, "%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) { dev_err(dev->dev, "%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_ctrl_handler.width = dev->ts1.width; dev->mpeg_ctrl_handler.height = dev->ts1.height; cx2341x_handler_setup(&dev->mpeg_ctrl_handler); 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) { dev_err(dev->dev, "%s: f/w load failed\n", __func__); return retval; } retval = cx231xx_find_mailbox(dev); if (retval < 0) { dev_err(dev->dev, "%s: mailbox < 0, error\n", __func__); return retval; } dev->cx23417_mailbox = retval; retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); if (retval < 0) { dev_err(dev->dev, "ERROR: cx23417 firmware ping failed!\n"); return retval; } retval = cx231xx_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version); if (retval < 0) { dev_err(dev->dev, "ERROR: cx23417 firmware get encoder: version failed!\n"); return retval; } 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; BUG_ON(in_interrupt()); 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++; v4l2_get_timestamp(&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); } } } 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++; v4l2_get_timestamp(&buf->vb.ts); list_del(&buf->vb.queue); wake_up(&buf->vb.done); } static 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 int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb) { 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); if (!buffer) return -ENOMEM; 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; 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; } dev_dbg(dev->dev, "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 const 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 int vidioc_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cc) { struct cx231xx_fh *fh = priv; struct cx231xx *dev = fh->dev; bool is_50hz = dev->encodernorm.id & V4L2_STD_625_50; if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; cc->bounds.left = 0; cc->bounds.top = 0; cc->bounds.width = dev->ts1.width; cc->bounds.height = dev->ts1.height; cc->defrect = cc->bounds; cc->pixelaspect.numerator = is_50hz ? 54 : 11; cc->pixelaspect.denominator = is_50hz ? 59 : 10; return 0; } 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; cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, false); } else { dprintk(3, "encodernorm set to PAL\n"); dev->norm = V4L2_STD_PAL_B; dev->ts1.height = 576; cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, true); } call_all(dev, video, 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_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctl) { struct cx231xx_fh *fh = file->private_data; struct cx231xx *dev = fh->dev; struct v4l2_subdev *sd; dprintk(3, "enter vidioc_s_ctrl()\n"); /* Update the A/V core */ v4l2_device_for_each_subdev(sd, &dev->v4l2_dev) v4l2_s_ctrl(NULL, sd->ctrl_handler, ctl); dprintk(3, "exit vidioc_s_ctrl()\n"); 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 = mpeglines * mpeglinesize; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; f->fmt.pix.width = dev->ts1.width; f->fmt.pix.height = dev->ts1.height; f->fmt.pix.field = V4L2_FIELD_INTERLACED; dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d\n", dev->ts1.width, dev->ts1.height); 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 = mpeglines * mpeglinesize; f->fmt.pix.field = V4L2_FIELD_INTERLACED; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d\n", dev->ts1.width, dev->ts1.height); dprintk(3, "exit vidioc_try_fmt_vid_cap()\n"); 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_log_status(struct file *file, void *priv) { struct cx231xx_fh *fh = priv; struct cx231xx *dev = fh->dev; call_all(dev, core, log_status); return v4l2_ctrl_log_status(file, priv); } static int mpeg_open(struct file *file) { struct video_device *vdev = video_devdata(file); struct cx231xx *dev = video_drvdata(file); struct cx231xx_fh *fh; dprintk(2, "%s()\n", __func__); if (mutex_lock_interruptible(&dev->lock)) return -ERESTARTSYS; /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh), GFP_KERNEL); if (NULL == fh) { mutex_unlock(&dev->lock); return -ENOMEM; } file->private_data = fh; v4l2_fh_init(&fh->fh, vdev); 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, &dev->lock); /* videobuf_queue_sg_init(&fh->vidq, &cx231xx_qops, dev->dev, &dev->ts1.slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct cx231xx_buffer), fh, &dev->lock); */ cx231xx_set_alt_setting(dev, INDEX_VANC, 1); cx231xx_set_gpio_value(dev, 2, 0); cx231xx_initialize_codec(dev); mutex_unlock(&dev->lock); v4l2_fh_add(&fh->fh); 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); 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); v4l2_fh_del(&fh->fh); v4l2_fh_exit(&fh->fh); 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 __poll_t mpeg_poll(struct file *file, struct poll_table_struct *wait) { __poll_t req_events = poll_requested_events(wait); struct cx231xx_fh *fh = file->private_data; struct cx231xx *dev = fh->dev; __poll_t res = 0; if (v4l2_event_pending(&fh->fh)) res |= EPOLLPRI; else poll_wait(file, &fh->fh.wait, wait); if (!(req_events & (EPOLLIN | EPOLLRDNORM))) return res; mutex_lock(&dev->lock); res |= videobuf_poll_stream(file, &fh->vidq, wait); mutex_unlock(&dev->lock); return res; } static int mpeg_mmap(struct file *file, struct vm_area_struct *vma) { struct cx231xx_fh *fh = file->private_data; dprintk(2, "%s()\n", __func__); return videobuf_mmap_mapper(&fh->vidq, vma); } static const struct v4l2_file_operations mpeg_fops = { .owner = THIS_MODULE, .open = mpeg_open, .release = mpeg_release, .read = mpeg_read, .poll = mpeg_poll, .mmap = mpeg_mmap, .unlocked_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_g_tuner = cx231xx_g_tuner, .vidioc_s_tuner = cx231xx_s_tuner, .vidioc_g_frequency = cx231xx_g_frequency, .vidioc_s_frequency = cx231xx_s_frequency, .vidioc_enum_input = cx231xx_enum_input, .vidioc_g_input = cx231xx_g_input, .vidioc_s_input = cx231xx_s_input, .vidioc_s_ctrl = vidioc_s_ctrl, .vidioc_cropcap = vidioc_cropcap, .vidioc_querycap = cx231xx_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_try_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_log_status = vidioc_log_status, #ifdef CONFIG_VIDEO_ADV_DEBUG .vidioc_g_register = cx231xx_g_register, .vidioc_s_register = cx231xx_s_register, #endif .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static struct video_device cx231xx_mpeg_template = { .name = "cx231xx", .fops = &mpeg_fops, .ioctl_ops = &mpeg_ioctl_ops, .minor = -1, .tvnorms = V4L2_STD_ALL, }; void cx231xx_417_unregister(struct cx231xx *dev) { dprintk(1, "%s()\n", __func__); dprintk(3, "%s()\n", __func__); if (video_is_registered(&dev->v4l_device)) { video_unregister_device(&dev->v4l_device); v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl); } } static int cx231xx_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val) { struct cx231xx *dev = container_of(cxhdl, struct cx231xx, mpeg_ctrl_handler); int is_mpeg1 = val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1; struct v4l2_subdev_format format = { .which = V4L2_SUBDEV_FORMAT_ACTIVE, }; /* fix videodecoder resolution */ format.format.width = cxhdl->width / (is_mpeg1 ? 2 : 1); format.format.height = cxhdl->height; format.format.code = MEDIA_BUS_FMT_FIXED; v4l2_subdev_call(dev->sd_cx25840, pad, set_fmt, NULL, &format); return 0; } static int cx231xx_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx) { static const u32 freqs[3] = { 44100, 48000, 32000 }; struct cx231xx *dev = container_of(cxhdl, struct cx231xx, mpeg_ctrl_handler); /* The audio clock of the digitizer must match the codec sample rate otherwise you get some very strange effects. */ if (idx < ARRAY_SIZE(freqs)) call_all(dev, audio, s_clock_freq, freqs[idx]); return 0; } static const struct cx2341x_handler_ops cx231xx_ops = { /* needed for the video clock freq */ .s_audio_sampling_freq = cx231xx_s_audio_sampling_freq, /* needed for setting up the video resolution */ .s_video_encoding = cx231xx_s_video_encoding, }; static void cx231xx_video_dev_init( struct cx231xx *dev, struct usb_device *usbdev, struct video_device *vfd, const struct video_device *template, const char *type) { dprintk(1, "%s()\n", __func__); *vfd = *template; snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, type, cx231xx_boards[dev->model].name); vfd->v4l2_dev = &dev->v4l2_dev; vfd->lock = &dev->lock; vfd->release = video_device_release_empty; vfd->ctrl_handler = &dev->mpeg_ctrl_handler.hdl; video_set_drvdata(vfd, dev); if (dev->tuner_type == TUNER_ABSENT) { v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY); v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY); v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER); v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER); } } 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; err = cx2341x_handler_init(&dev->mpeg_ctrl_handler, 50); if (err) { dprintk(3, "%s: can't init cx2341x controls\n", dev->name); return err; } dev->mpeg_ctrl_handler.func = cx231xx_mbox_func; dev->mpeg_ctrl_handler.priv = dev; dev->mpeg_ctrl_handler.ops = &cx231xx_ops; if (dev->sd_cx25840) v4l2_ctrl_add_handler(&dev->mpeg_ctrl_handler.hdl, dev->sd_cx25840->ctrl_handler, NULL); if (dev->mpeg_ctrl_handler.hdl.error) { err = dev->mpeg_ctrl_handler.hdl.error; dprintk(3, "%s: can't add cx25840 controls\n", dev->name); v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl); return err; } dev->norm = V4L2_STD_NTSC; dev->mpeg_ctrl_handler.port = CX2341X_PORT_SERIAL; cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, false); /* Allocate and initialize V4L video device */ cx231xx_video_dev_init(dev, dev->udev, &dev->v4l_device, &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); v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl); 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);