/* * * Support for a cx23417 mpeg encoder via cx23885 host port. * * (c) 2004 Jelle Foks * (c) 2004 Gerd Knorr * (c) 2008 Steven Toth * - 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 #include #include #include #include #include #include #include #include #include #include #include "cx23885.h" #define CX23885_FIRM_IMAGE_SIZE 376836 #define CX23885_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw" static unsigned int mpegbufs = 32; module_param(mpegbufs, int, 0644); MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32"); static unsigned int mpeglines = 32; 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; 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 "%s: " fmt, \ (dev) ? dev->name : "cx23885[?]", ## arg); \ } while (0) static struct cx23885_tvnorm cx23885_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 cx23885_capture_type { CX23885_MPEG_CAPTURE, CX23885_RAW_CAPTURE, CX23885_RAW_PASSTHRU_CAPTURE }; enum cx23885_capture_bits { CX23885_RAW_BITS_NONE = 0x00, CX23885_RAW_BITS_YUV_CAPTURE = 0x01, CX23885_RAW_BITS_PCM_CAPTURE = 0x02, CX23885_RAW_BITS_VBI_CAPTURE = 0x04, CX23885_RAW_BITS_PASSTHRU_CAPTURE = 0x08, CX23885_RAW_BITS_TO_HOST_CAPTURE = 0x10 }; enum cx23885_capture_end { CX23885_END_AT_GOP, /* stop at the end of gop, generate irq */ CX23885_END_NOW, /* stop immediately, no irq */ }; enum cx23885_framerate { CX23885_FRAMERATE_NTSC_30, /* NTSC: 30fps */ CX23885_FRAMERATE_PAL_25 /* PAL: 25fps */ }; enum cx23885_stream_port { CX23885_OUTPUT_PORT_MEMORY, CX23885_OUTPUT_PORT_STREAMING, CX23885_OUTPUT_PORT_SERIAL }; enum cx23885_data_xfer_status { CX23885_MORE_BUFFERS_FOLLOW, CX23885_LAST_BUFFER, }; enum cx23885_picture_mask { CX23885_PICTURE_MASK_NONE, CX23885_PICTURE_MASK_I_FRAMES, CX23885_PICTURE_MASK_I_P_FRAMES = 0x3, CX23885_PICTURE_MASK_ALL_FRAMES = 0x7, }; enum cx23885_vbi_mode_bits { CX23885_VBI_BITS_SLICED, CX23885_VBI_BITS_RAW, }; enum cx23885_vbi_insertion_bits { CX23885_VBI_BITS_INSERT_IN_XTENSION_USR_DATA, CX23885_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1, CX23885_VBI_BITS_SEPARATE_STREAM = 0x2 << 1, CX23885_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1, CX23885_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1, }; enum cx23885_dma_unit { CX23885_DMA_BYTES, CX23885_DMA_FRAMES, }; enum cx23885_dma_transfer_status_bits { CX23885_DMA_TRANSFER_BITS_DONE = 0x01, CX23885_DMA_TRANSFER_BITS_ERROR = 0x04, CX23885_DMA_TRANSFER_BITS_LL_ERROR = 0x10, }; enum cx23885_pause { CX23885_PAUSE_ENCODING, CX23885_RESUME_ENCODING, }; enum cx23885_copyright { CX23885_COPYRIGHT_OFF, CX23885_COPYRIGHT_ON, }; enum cx23885_notification_type { CX23885_NOTIFICATION_REFRESH, }; enum cx23885_notification_status { CX23885_NOTIFICATION_OFF, CX23885_NOTIFICATION_ON, }; enum cx23885_notification_mailbox { CX23885_NOTIFICATION_NO_MAILBOX = -1, }; enum cx23885_field1_lines { CX23885_FIELD1_SAA7114 = 0x00EF, /* 239 */ CX23885_FIELD1_SAA7115 = 0x00F0, /* 240 */ CX23885_FIELD1_MICRONAS = 0x0105, /* 261 */ }; enum cx23885_field2_lines { CX23885_FIELD2_SAA7114 = 0x00EF, /* 239 */ CX23885_FIELD2_SAA7115 = 0x00F0, /* 240 */ CX23885_FIELD2_MICRONAS = 0x0106, /* 262 */ }; enum cx23885_custom_data_type { CX23885_CUSTOM_EXTENSION_USR_DATA, CX23885_CUSTOM_PRIVATE_PACKET, }; enum cx23885_mute { CX23885_UNMUTE, CX23885_MUTE, }; enum cx23885_mute_video_mask { CX23885_MUTE_VIDEO_V_MASK = 0x0000FF00, CX23885_MUTE_VIDEO_U_MASK = 0x00FF0000, CX23885_MUTE_VIDEO_Y_MASK = 0xFF000000, }; enum cx23885_mute_video_shift { CX23885_MUTE_VIDEO_V_SHIFT = 8, CX23885_MUTE_VIDEO_U_SHIFT = 16, CX23885_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 /* MIADDR* nibble definitions */ #define MCI_MEMORY_DATA_BYTE0 0x000 #define MCI_MEMORY_DATA_BYTE1 0x100 #define MCI_MEMORY_DATA_BYTE2 0x200 #define MCI_MEMORY_DATA_BYTE3 0x300 #define MCI_MEMORY_ADDRESS_BYTE2 0x400 #define MCI_MEMORY_ADDRESS_BYTE1 0x500 #define MCI_MEMORY_ADDRESS_BYTE0 0x600 #define MCI_REGISTER_DATA_BYTE0 0x800 #define MCI_REGISTER_DATA_BYTE1 0x900 #define MCI_REGISTER_DATA_BYTE2 0xA00 #define MCI_REGISTER_DATA_BYTE3 0xB00 #define MCI_REGISTER_ADDRESS_BYTE0 0xC00 #define MCI_REGISTER_ADDRESS_BYTE1 0xD00 #define MCI_REGISTER_MODE 0xE00 /* Read and write modes */ #define MCI_MODE_REGISTER_READ 0 #define MCI_MODE_REGISTER_WRITE 1 #define MCI_MODE_MEMORY_READ 0 #define MCI_MODE_MEMORY_WRITE 0x40 /*** 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 void cx23885_mc417_init(struct cx23885_dev *dev) { u32 regval; dprintk(2, "%s()\n", __func__); /* Configure MC417_CTL register to defaults. */ regval = MC417_SPD_CTL(MC417_SPD_CTL_FAST) | MC417_GPIO_SEL(MC417_GPIO_SEL_GPIO3) | MC417_UART_GPIO_EN; cx_write(MC417_CTL, regval); /* Configure MC417_OEN to defaults. */ regval = MC417_MIRDY; cx_write(MC417_OEN, regval); /* Configure MC417_RWD to defaults. */ regval = MC417_MIWR | MC417_MIRD | MC417_MICS; cx_write(MC417_RWD, regval); } static int mc417_wait_ready(struct cx23885_dev *dev) { u32 mi_ready; unsigned long timeout = jiffies + msecs_to_jiffies(1); for (;;) { mi_ready = cx_read(MC417_RWD) & MC417_MIRDY; if (mi_ready != 0) return 0; if (time_after(jiffies, timeout)) return -1; udelay(1); } } static int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value) { u32 regval; /* Enable MC417 GPIO outputs except for MC417_MIRDY, * which is an input. */ cx_write(MC417_OEN, MC417_MIRDY); /* Write data byte 0 */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0 | (value & 0x000000FF); cx_write(MC417_RWD, regval); /* Transition CS/WR to effect write transaction across bus. */ regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write data byte 1 */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1 | ((value >> 8) & 0x000000FF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write data byte 2 */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2 | ((value >> 16) & 0x000000FF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write data byte 3 */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3 | ((value >> 24) & 0x000000FF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write address byte 0 */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 | (address & 0xFF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write address byte 1 */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 | ((address >> 8) & 0xFF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Indicate that this is a write. */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE | MCI_MODE_REGISTER_WRITE; cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Wait for the trans to complete (MC417_MIRDY asserted). */ return mc417_wait_ready(dev); } static int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value) { int retval; u32 regval; u32 tempval; u32 dataval; /* Enable MC417 GPIO outputs except for MC417_MIRDY, * which is an input. */ cx_write(MC417_OEN, MC417_MIRDY); /* Write address byte 0 */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x00FF)); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write address byte 1 */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 | ((address >> 8) & 0xFF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Indicate that this is a register read. */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE | MCI_MODE_REGISTER_READ; cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Wait for the trans to complete (MC417_MIRDY asserted). */ retval = mc417_wait_ready(dev); /* switch the DAT0-7 GPIO[10:3] to input mode */ cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA); /* Read data byte 0 */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0; cx_write(MC417_RWD, regval); /* Transition RD to effect read transaction across bus. * Transtion 0x5000 -> 0x9000 correct (RD/RDY -> WR/RDY)? * Should it be 0x9000 -> 0xF000 (also why is RDY being set, its * input only...) */ regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0; cx_write(MC417_RWD, regval); /* Collect byte */ tempval = cx_read(MC417_RWD); dataval = tempval & 0x000000FF; /* Bring CS and RD high. */ regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY; cx_write(MC417_RWD, regval); /* Read data byte 1 */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1; cx_write(MC417_RWD, regval); regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1; cx_write(MC417_RWD, regval); tempval = cx_read(MC417_RWD); dataval |= ((tempval & 0x000000FF) << 8); regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY; cx_write(MC417_RWD, regval); /* Read data byte 2 */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2; cx_write(MC417_RWD, regval); regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2; cx_write(MC417_RWD, regval); tempval = cx_read(MC417_RWD); dataval |= ((tempval & 0x000000FF) << 16); regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY; cx_write(MC417_RWD, regval); /* Read data byte 3 */ regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3; cx_write(MC417_RWD, regval); regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3; cx_write(MC417_RWD, regval); tempval = cx_read(MC417_RWD); dataval |= ((tempval & 0x000000FF) << 24); regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY; cx_write(MC417_RWD, regval); *value = dataval; return retval; } int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value) { u32 regval; /* Enable MC417 GPIO outputs except for MC417_MIRDY, * which is an input. */ cx_write(MC417_OEN, MC417_MIRDY); /* Write data byte 0 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0 | (value & 0x000000FF); cx_write(MC417_RWD, regval); /* Transition CS/WR to effect write transaction across bus. */ regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write data byte 1 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1 | ((value >> 8) & 0x000000FF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write data byte 2 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2 | ((value >> 16) & 0x000000FF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write data byte 3 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3 | ((value >> 24) & 0x000000FF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write address byte 2 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE | ((address >> 16) & 0x3F); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write address byte 1 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 | ((address >> 8) & 0xFF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write address byte 0 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 | (address & 0xFF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Wait for the trans to complete (MC417_MIRDY asserted). */ return mc417_wait_ready(dev); } int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value) { int retval; u32 regval; u32 tempval; u32 dataval; /* Enable MC417 GPIO outputs except for MC417_MIRDY, * which is an input. */ cx_write(MC417_OEN, MC417_MIRDY); /* Write address byte 2 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_READ | ((address >> 16) & 0x3F); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write address byte 1 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 | ((address >> 8) & 0xFF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Write address byte 0 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 | (address & 0xFF); cx_write(MC417_RWD, regval); regval |= MC417_MICS | MC417_MIWR; cx_write(MC417_RWD, regval); /* Wait for the trans to complete (MC417_MIRDY asserted). */ retval = mc417_wait_ready(dev); /* switch the DAT0-7 GPIO[10:3] to input mode */ cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA); /* Read data byte 3 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3; cx_write(MC417_RWD, regval); /* Transition RD to effect read transaction across bus. */ regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3; cx_write(MC417_RWD, regval); /* Collect byte */ tempval = cx_read(MC417_RWD); dataval = ((tempval & 0x000000FF) << 24); /* Bring CS and RD high. */ regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY; cx_write(MC417_RWD, regval); /* Read data byte 2 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2; cx_write(MC417_RWD, regval); regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2; cx_write(MC417_RWD, regval); tempval = cx_read(MC417_RWD); dataval |= ((tempval & 0x000000FF) << 16); regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY; cx_write(MC417_RWD, regval); /* Read data byte 1 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1; cx_write(MC417_RWD, regval); regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1; cx_write(MC417_RWD, regval); tempval = cx_read(MC417_RWD); dataval |= ((tempval & 0x000000FF) << 8); regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY; cx_write(MC417_RWD, regval); /* Read data byte 0 */ regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0; cx_write(MC417_RWD, regval); regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0; cx_write(MC417_RWD, regval); tempval = cx_read(MC417_RWD); dataval |= (tempval & 0x000000FF); regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY; cx_write(MC417_RWD, regval); *value = dataval; return retval; } void mc417_gpio_set(struct cx23885_dev *dev, u32 mask) { u32 val; /* Set the gpio value */ mc417_register_read(dev, 0x900C, &val); val |= (mask & 0x000ffff); mc417_register_write(dev, 0x900C, val); } void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask) { u32 val; /* Clear the gpio value */ mc417_register_read(dev, 0x900C, &val); val &= ~(mask & 0x0000ffff); mc417_register_write(dev, 0x900C, val); } void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput) { u32 val; /* Enable GPIO direction bits */ mc417_register_read(dev, 0x9020, &val); if (asoutput) val |= (mask & 0x0000ffff); else val &= ~(mask & 0x0000ffff); mc417_register_write(dev, 0x9020, val); } /* ------------------------------------------------------------------ */ /* 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 cx23885_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA]) { struct cx23885_dev *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) { printk(KERN_ERR "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) { printk(KERN_ERR "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)) { printk(KERN_ERR "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 cx23885_api_cmd(struct cx23885_dev *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 = cx23885_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 cx23885_find_mailbox(struct cx23885_dev *dev) { u32 signature[4] = { 0x12345678, 0x34567812, 0x56781234, 0x78123456 }; int signaturecnt = 0; u32 value; int i; dprintk(2, "%s()\n", __func__); for (i = 0; i < CX23885_FIRM_IMAGE_SIZE; i++) { mc417_memory_read(dev, i, &value); 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; } } printk(KERN_ERR "Mailbox signature values not found!\n"); return -1; } static int cx23885_load_firmware(struct cx23885_dev *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; 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, CX23885_FIRM_IMAGE_NAME, &dev->pci->dev); if (retval != 0) { printk(KERN_ERR "ERROR: Hotplug firmware request failed (%s).\n", CX23885_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 != CX23885_FIRM_IMAGE_SIZE) { printk(KERN_ERR "ERROR: Firmware size mismatch " "(have %zd, expected %d)\n", firmware->size, CX23885_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; } /* transfer to the chip */ dprintk(2, "Loading firmware ...\n"); dataptr = (u32 *)firmware->data; for (i = 0; i < (firmware->size >> 2); i++) { value = *dataptr; checksum += ~value; if (mc417_memory_write(dev, i, value) != 0) { printk(KERN_ERR "ERROR: Loading firmware failed!\n"); release_firmware(firmware); return -1; } dataptr++; } /* read back to verify with the checksum */ dprintk(1, "Verifying firmware ...\n"); for (i--; i >= 0; i--) { if (mc417_memory_read(dev, i, &value) != 0) { printk(KERN_ERR "ERROR: Reading firmware failed!\n"); release_firmware(firmware); return -1; } checksum -= ~value; } if (checksum) { printk(KERN_ERR "ERROR: Firmware load failed (checksum mismatch).\n"); release_firmware(firmware); return -1; } release_firmware(firmware); dprintk(1, "Firmware upload successful.\n"); retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); /* 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 0; } void cx23885_417_check_encoder(struct cx23885_dev *dev) { u32 status, seq; status = seq = 0; cx23885_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 cx23885_codec_settings(struct cx23885_dev *dev) { dprintk(1, "%s()\n", __func__); /* assign frame size */ cx23885_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; dev->mpeg_params.is_50hz = (dev->encodernorm.id & V4L2_STD_625_50) != 0; cx2341x_update(dev, cx23885_mbox_func, NULL, &dev->mpeg_params); cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1); cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1); } static int cx23885_initialize_codec(struct cx23885_dev *dev) { int version; int retval; u32 i, data[7]; dprintk(1, "%s()\n", __func__); retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ if (retval < 0) { dprintk(2, "%s() PING OK\n", __func__); retval = cx23885_load_firmware(dev); if (retval < 0) { printk(KERN_ERR "%s() f/w load failed\n", __func__); return retval; } retval = cx23885_find_mailbox(dev); if (retval < 0) { printk(KERN_ERR "%s() mailbox < 0, error\n", __func__); return -1; } dev->cx23417_mailbox = retval; retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); if (retval < 0) { printk(KERN_ERR "ERROR: cx23417 firmware ping failed!\n"); return -1; } retval = cx23885_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); } cx23885_codec_settings(dev); msleep(60); cx23885_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0, CX23885_FIELD1_SAA7115, CX23885_FIELD2_SAA7115); cx23885_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0, CX23885_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); /* 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 */ cx23885_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)); cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i, valid, 0 , 0, 0); cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i | 0x80000000, valid, 0, 0, 0); } cx23885_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX23885_UNMUTE); msleep(60); /* initialize the video input */ cx23885_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0); 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 */ cx23885_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE); msleep(10); return 0; } /* ------------------------------------------------------------------ */ static int bb_buf_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) { struct cx23885_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 int bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, enum v4l2_field field) { struct cx23885_fh *fh = q->priv_data; return cx23885_buf_prepare(q, &fh->dev->ts1, (struct cx23885_buffer *)vb, field); } static void bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) { struct cx23885_fh *fh = q->priv_data; cx23885_buf_queue(&fh->dev->ts1, (struct cx23885_buffer *)vb); } static void bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { cx23885_free_buffer(q, (struct cx23885_buffer *)vb); } static struct videobuf_queue_ops cx23885_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 cx23885_queryctrl(struct cx23885_dev *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 cx23885_querymenu(struct cx23885_dev *dev, struct v4l2_querymenu *qmenu) { struct v4l2_queryctrl qctrl; qctrl.id = qmenu->id; cx23885_queryctrl(dev, &qctrl); return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(&dev->mpeg_params, qmenu->id)); } static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *id) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; unsigned int i; for (i = 0; i < ARRAY_SIZE(cx23885_tvnorms); i++) if (*id & cx23885_tvnorms[i].id) break; if (i == ARRAY_SIZE(cx23885_tvnorms)) return -EINVAL; dev->encodernorm = cx23885_tvnorms[i]; #if 0 /* Notify the video decoder and other i2c clients. * This will likely need to be enabled for non NTSC * formats. */ call_all(dev, core, s_std, id); #endif return 0; } static int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; struct cx23885_input *input; int n; if (i->index >= 4) return -EINVAL; input = &cx23885_boards[dev->board].input[i->index]; if (input->type == 0) return -EINVAL; /* FIXME * strcpy(i->name, input->name); */ strcpy(i->name, "unset"); if (input->type == CX23885_VMUX_TELEVISION || input->type == CX23885_VMUX_CABLE) i->type = V4L2_INPUT_TYPE_TUNER; else i->type = V4L2_INPUT_TYPE_CAMERA; for (n = 0; n < ARRAY_SIZE(cx23885_tvnorms); n++) i->std |= cx23885_tvnorms[n].id; return 0; } static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; *i = dev->input; return 0; } static int vidioc_s_input(struct file *file, void *priv, unsigned int i) { if (i >= 4) return -EINVAL; return 0; } static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; if (UNSET == dev->tuner_type) return -EINVAL; if (0 != t->index) return -EINVAL; strcpy(t->name, "Television"); call_all(dev, tuner, g_tuner, t); dprintk(1, "VIDIOC_G_TUNER: tuner type %d\n", t->type); return 0; } static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; if (UNSET == dev->tuner_type) return -EINVAL; /* Update the A/V core */ call_all(dev, tuner, s_tuner, t); return 0; } static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; if (UNSET == dev->tuner_type) return -EINVAL; f->type = V4L2_TUNER_ANALOG_TV; f->frequency = dev->freq; call_all(dev, tuner, g_frequency, f); return 0; } static int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, CX23885_END_NOW, CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE); dprintk(1, "VIDIOC_S_FREQUENCY: dev type %d, f\n", dev->tuner_type); dprintk(1, "VIDIOC_S_FREQUENCY: f tuner %d, f type %d\n", f->tuner, f->type); if (UNSET == dev->tuner_type) return -EINVAL; if (f->tuner != 0) return -EINVAL; if (f->type != V4L2_TUNER_ANALOG_TV) return -EINVAL; dev->freq = f->frequency; call_all(dev, tuner, s_frequency, f); cx23885_initialize_codec(dev); return 0; } static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctl) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; /* Update the A/V core */ call_all(dev, core, s_ctrl, ctl); return 0; } static int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; struct cx23885_tsport *tsport = &dev->ts1; strcpy(cap->driver, dev->name); strlcpy(cap->card, cx23885_boards[tsport->dev->board].name, sizeof(cap->card)); sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); cap->version = CX23885_VERSION_CODE; cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 0; if (UNSET != dev->tuner_type) cap->capabilities |= V4L2_CAP_TUNER; 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 cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; 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->mpegq.field; dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n", dev->ts1.width, dev->ts1.height, fh->mpegq.field); return 0; } static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; 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->mpegq.field); return 0; } static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; 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_S_FMT: w: %d, h: %d, f: %d\n", f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); return 0; } static int vidioc_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p) { struct cx23885_fh *fh = file->private_data; return videobuf_reqbufs(&fh->mpegq, p); } static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p) { struct cx23885_fh *fh = file->private_data; return videobuf_querybuf(&fh->mpegq, p); } static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) { struct cx23885_fh *fh = file->private_data; return videobuf_qbuf(&fh->mpegq, p); } static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) { struct cx23885_fh *fh = priv; return videobuf_dqbuf(&fh->mpegq, b, file->f_flags & O_NONBLOCK); } static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) { struct cx23885_fh *fh = file->private_data; return videobuf_streamon(&fh->mpegq); } static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) { struct cx23885_fh *fh = file->private_data; return videobuf_streamoff(&fh->mpegq); } static int vidioc_g_ext_ctrls(struct file *file, void *priv, struct v4l2_ext_controls *f) { struct cx23885_fh *fh = priv; struct cx23885_dev *dev = fh->dev; if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) return -EINVAL; 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 cx23885_fh *fh = priv; struct cx23885_dev *dev = fh->dev; struct cx2341x_mpeg_params p; int err; if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) return -EINVAL; p = dev->mpeg_params; err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS); if (err == 0) { err = cx2341x_update(dev, cx23885_mbox_func, &dev->mpeg_params, &p); dev->mpeg_params = p; } return err; } static int vidioc_try_ext_ctrls(struct file *file, void *priv, struct v4l2_ext_controls *f) { struct cx23885_fh *fh = priv; struct cx23885_dev *dev = fh->dev; struct cx2341x_mpeg_params p; int err; 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); return err; } static int vidioc_log_status(struct file *file, void *priv) { struct cx23885_fh *fh = priv; struct cx23885_dev *dev = fh->dev; char name[32 + 2]; snprintf(name, sizeof(name), "%s/2", dev->name); printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", dev->name); call_all(dev, core, log_status); cx2341x_log_status(&dev->mpeg_params, name); printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", dev->name); return 0; } static int vidioc_querymenu(struct file *file, void *priv, struct v4l2_querymenu *a) { struct cx23885_fh *fh = priv; struct cx23885_dev *dev = fh->dev; return cx23885_querymenu(dev, a); } static int vidioc_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *c) { struct cx23885_fh *fh = priv; struct cx23885_dev *dev = fh->dev; return cx23885_queryctrl(dev, c); } static int mpeg_open(struct file *file) { int minor = video_devdata(file)->minor; struct cx23885_dev *h, *dev = NULL; struct list_head *list; struct cx23885_fh *fh; dprintk(2, "%s()\n", __func__); lock_kernel(); list_for_each(list, &cx23885_devlist) { h = list_entry(list, struct cx23885_dev, devlist); if (h->v4l_device && h->v4l_device->minor == minor) { dev = h; break; } } if (dev == NULL) { unlock_kernel(); return -ENODEV; } /* allocate + initialize per filehandle data */ fh = kzalloc(sizeof(*fh), GFP_KERNEL); if (NULL == fh) { unlock_kernel(); return -ENOMEM; } file->private_data = fh; fh->dev = dev; videobuf_queue_sg_init(&fh->mpegq, &cx23885_qops, &dev->pci->dev, &dev->ts1.slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct cx23885_buffer), fh); unlock_kernel(); return 0; } static int mpeg_release(struct file *file) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; dprintk(2, "%s()\n", __func__); /* 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 */ cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, CX23885_END_NOW, CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE); msleep(500); cx23885_417_check_encoder(dev); cx23885_cancel_buffers(&fh->dev->ts1); } } if (fh->mpegq.streaming) videobuf_streamoff(&fh->mpegq); if (fh->mpegq.reading) videobuf_read_stop(&fh->mpegq); videobuf_mmap_free(&fh->mpegq); file->private_data = NULL; kfree(fh); return 0; } static ssize_t mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; dprintk(2, "%s()\n", __func__); /* 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 (cx23885_initialize_codec(dev) < 0) return -EINVAL; } } return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0, file->f_flags & O_NONBLOCK); } static unsigned int mpeg_poll(struct file *file, struct poll_table_struct *wait) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; dprintk(2, "%s\n", __func__); return videobuf_poll_stream(file, &fh->mpegq, wait); } static int mpeg_mmap(struct file *file, struct vm_area_struct *vma) { struct cx23885_fh *fh = file->private_data; struct cx23885_dev *dev = fh->dev; dprintk(2, "%s()\n", __func__); return videobuf_mmap_mapper(&fh->mpegq, 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_enum_input = vidioc_enum_input, .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, }; static struct video_device cx23885_mpeg_template = { .name = "cx23885", .fops = &mpeg_fops, .ioctl_ops = &mpeg_ioctl_ops, .minor = -1, .tvnorms = CX23885_NORMS, .current_norm = V4L2_STD_NTSC_M, }; void cx23885_417_unregister(struct cx23885_dev *dev) { dprintk(1, "%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 *cx23885_video_dev_alloc( struct cx23885_tsport *tsport, struct pci_dev *pci, struct video_device *template, char *type) { struct video_device *vfd; struct cx23885_dev *dev = tsport->dev; dprintk(1, "%s()\n", __func__); vfd = video_device_alloc(); if (NULL == vfd) return NULL; *vfd = *template; snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, type, cx23885_boards[tsport->dev->board].name); vfd->parent = &pci->dev; vfd->release = video_device_release; return vfd; } int cx23885_417_register(struct cx23885_dev *dev) { /* FIXME: Port1 hardcoded here */ int err = -ENODEV; struct cx23885_tsport *tsport = &dev->ts1; dprintk(1, "%s()\n", __func__); if (cx23885_boards[dev->board].portb != CX23885_MPEG_ENCODER) return err; /* Set default TV standard */ dev->encodernorm = cx23885_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->mpeg_params.port = CX2341X_PORT_SERIAL; /* Allocate and initialize V4L video device */ dev->v4l_device = cx23885_video_dev_alloc(tsport, dev->pci, &cx23885_mpeg_template, "mpeg"); err = video_register_device(dev->v4l_device, VFL_TYPE_GRABBER, -1); if (err < 0) { printk(KERN_INFO "%s: can't register mpeg device\n", dev->name); return err; } printk(KERN_INFO "%s: registered device video%d [mpeg]\n", dev->name, dev->v4l_device->num); return 0; }