// SPDX-License-Identifier: GPL-2.0-or-later /* * * 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 */ #include "cx23885.h" #include "cx23885-ioctl.h" #include #include #include #include #include #include #include #include #include #include #include #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 pr_fmt("%s: 417:" fmt), \ __func__, ##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); } } 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); } 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. * Transition 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_ID"; 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_MODE"; 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) { pr_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) { pr_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)) { pr_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_api_func(void *priv, u32 cmd, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA]) { return cx23885_mbox_func(priv, cmd, in, out, data); } 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; } } pr_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 gpio_value; 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, &gpio_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) { pr_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) { pr_err("ERROR: Hotplug firmware request failed (%s).\n", CX23885_FIRM_IMAGE_NAME); pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n"); return -1; } if (firmware->size != CX23885_FIRM_IMAGE_SIZE) { pr_err("ERROR: Firmware size mismatch (have %zu, expected %d)\n", firmware->size, CX23885_FIRM_IMAGE_SIZE); release_firmware(firmware); return -1; } if (0 != memcmp(firmware->data, magic, 8)) { pr_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) { pr_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) { pr_err("ERROR: Reading firmware failed!\n"); release_firmware(firmware); return -1; } checksum -= ~value; } if (checksum) { pr_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, gpio_value); retval |= mc417_register_read(dev, IVTV_REG_VPU, &value); retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8); /* Hardcoded GPIO's here */ retval |= mc417_register_write(dev, 0x9020, 0x4000); retval |= mc417_register_write(dev, 0x900C, 0x4000); mc417_register_read(dev, 0x9020, &gpio_output); mc417_register_read(dev, 0x900C, &gpio_value); if (retval < 0) pr_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__); /* Dynamically change the height based on video standard */ if (dev->encodernorm.id & V4L2_STD_525_60) dev->ts1.height = 480; else dev->ts1.height = 576; /* assign frame size */ cx23885_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, dev->ts1.height, dev->ts1.width); dev->cxhdl.width = dev->ts1.width; dev->cxhdl.height = dev->ts1.height; dev->cxhdl.is_50hz = (dev->encodernorm.id & V4L2_STD_625_50) != 0; cx2341x_handler_setup(&dev->cxhdl); 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 startencoder) { 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) { pr_err("%s() f/w load failed\n", __func__); return retval; } retval = cx23885_find_mailbox(dev); if (retval < 0) { pr_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) { pr_err("ERROR: cx23417 firmware ping failed!\n"); return -1; } retval = cx23885_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version); if (retval < 0) { pr_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 */ if (startencoder) { cx23885_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE); msleep(10); } return 0; } /* ------------------------------------------------------------------ */ static int queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], struct device *alloc_devs[]) { struct cx23885_dev *dev = q->drv_priv; dev->ts1.ts_packet_size = mpeglinesize; dev->ts1.ts_packet_count = mpeglines; *num_planes = 1; sizes[0] = mpeglinesize * mpeglines; *num_buffers = mpegbufs; return 0; } static int buffer_prepare(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct cx23885_dev *dev = vb->vb2_queue->drv_priv; struct cx23885_buffer *buf = container_of(vbuf, struct cx23885_buffer, vb); return cx23885_buf_prepare(buf, &dev->ts1); } static void buffer_finish(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct cx23885_dev *dev = vb->vb2_queue->drv_priv; struct cx23885_buffer *buf = container_of(vbuf, struct cx23885_buffer, vb); cx23885_free_buffer(dev, buf); } static void buffer_queue(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct cx23885_dev *dev = vb->vb2_queue->drv_priv; struct cx23885_buffer *buf = container_of(vbuf, struct cx23885_buffer, vb); cx23885_buf_queue(&dev->ts1, buf); } static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count) { struct cx23885_dev *dev = q->drv_priv; struct cx23885_dmaqueue *dmaq = &dev->ts1.mpegq; unsigned long flags; int ret; ret = cx23885_initialize_codec(dev, 1); if (ret == 0) { struct cx23885_buffer *buf = list_entry(dmaq->active.next, struct cx23885_buffer, queue); cx23885_start_dma(&dev->ts1, dmaq, buf); return 0; } spin_lock_irqsave(&dev->slock, flags); while (!list_empty(&dmaq->active)) { struct cx23885_buffer *buf = list_entry(dmaq->active.next, struct cx23885_buffer, queue); list_del(&buf->queue); vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); } spin_unlock_irqrestore(&dev->slock, flags); return ret; } static void cx23885_stop_streaming(struct vb2_queue *q) { struct cx23885_dev *dev = q->drv_priv; /* stop mpeg capture */ cx23885_api_cmd(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(&dev->ts1); } static const struct vb2_ops cx23885_qops = { .queue_setup = queue_setup, .buf_prepare = buffer_prepare, .buf_finish = buffer_finish, .buf_queue = buffer_queue, .start_streaming = cx23885_start_streaming, .stop_streaming = cx23885_stop_streaming, }; /* ------------------------------------------------------------------ */ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) { struct cx23885_dev *dev = video_drvdata(file); *id = dev->tvnorm; return 0; } static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) { struct cx23885_dev *dev = video_drvdata(file); unsigned int i; int ret; for (i = 0; i < ARRAY_SIZE(cx23885_tvnorms); i++) if (id & cx23885_tvnorms[i].id) break; if (i == ARRAY_SIZE(cx23885_tvnorms)) return -EINVAL; ret = cx23885_set_tvnorm(dev, id); if (!ret) dev->encodernorm = cx23885_tvnorms[i]; return ret; } static int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i) { struct cx23885_dev *dev = video_drvdata(file); dprintk(1, "%s()\n", __func__); return cx23885_enum_input(dev, i); } static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) { return cx23885_get_input(file, priv, i); } static int vidioc_s_input(struct file *file, void *priv, unsigned int i) { return cx23885_set_input(file, priv, i); } static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) { struct cx23885_dev *dev = video_drvdata(file); if (dev->tuner_type == TUNER_ABSENT) return -EINVAL; if (0 != t->index) return -EINVAL; strscpy(t->name, "Television", sizeof(t->name)); 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, const struct v4l2_tuner *t) { struct cx23885_dev *dev = video_drvdata(file); if (dev->tuner_type == TUNER_ABSENT) 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_dev *dev = video_drvdata(file); if (dev->tuner_type == TUNER_ABSENT) 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, const struct v4l2_frequency *f) { return cx23885_set_frequency(file, priv, f); } static int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { struct cx23885_dev *dev = video_drvdata(file); struct cx23885_tsport *tsport = &dev->ts1; strscpy(cap->driver, dev->name, sizeof(cap->driver)); strscpy(cap->card, cx23885_boards[tsport->dev->board].name, sizeof(cap->card)); sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_AUDIO | V4L2_CAP_DEVICE_CAPS; if (dev->tuner_type != TUNER_ABSENT) 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; 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_dev *dev = video_drvdata(file); 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 = V4L2_FIELD_INTERLACED; dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d\n", dev->ts1.width, dev->ts1.height); return 0; } static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct cx23885_dev *dev = video_drvdata(file); 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.field = V4L2_FIELD_INTERLACED; dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d\n", dev->ts1.width, dev->ts1.height); return 0; } static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct cx23885_dev *dev = video_drvdata(file); 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.field = V4L2_FIELD_INTERLACED; 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_log_status(struct file *file, void *priv) { struct cx23885_dev *dev = video_drvdata(file); char name[32 + 2]; snprintf(name, sizeof(name), "%s/2", dev->name); call_all(dev, core, log_status); v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name); return 0; } static const struct v4l2_file_operations mpeg_fops = { .owner = THIS_MODULE, .open = v4l2_fh_open, .release = vb2_fop_release, .read = vb2_fop_read, .poll = vb2_fop_poll, .unlocked_ioctl = video_ioctl2, .mmap = vb2_fop_mmap, }; static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { .vidioc_g_std = vidioc_g_std, .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_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 = vb2_ioctl_reqbufs, .vidioc_prepare_buf = vb2_ioctl_prepare_buf, .vidioc_querybuf = vb2_ioctl_querybuf, .vidioc_qbuf = vb2_ioctl_qbuf, .vidioc_dqbuf = vb2_ioctl_dqbuf, .vidioc_streamon = vb2_ioctl_streamon, .vidioc_streamoff = vb2_ioctl_streamoff, .vidioc_log_status = vidioc_log_status, #ifdef CONFIG_VIDEO_ADV_DEBUG .vidioc_g_chip_info = cx23885_g_chip_info, .vidioc_g_register = cx23885_g_register, .vidioc_s_register = cx23885_s_register, #endif }; static struct video_device cx23885_mpeg_template = { .name = "cx23885", .fops = &mpeg_fops, .ioctl_ops = &mpeg_ioctl_ops, .tvnorms = CX23885_NORMS, }; void cx23885_417_unregister(struct cx23885_dev *dev) { dprintk(1, "%s()\n", __func__); if (dev->v4l_device) { if (video_is_registered(dev->v4l_device)) video_unregister_device(dev->v4l_device); else video_device_release(dev->v4l_device); v4l2_ctrl_handler_free(&dev->cxhdl.hdl); 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)", cx23885_boards[tsport->dev->board].name, type); vfd->v4l2_dev = &dev->v4l2_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; struct vb2_queue *q; 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; dev->cxhdl.port = CX2341X_PORT_SERIAL; err = cx2341x_handler_init(&dev->cxhdl, 50); if (err) return err; dev->cxhdl.priv = dev; dev->cxhdl.func = cx23885_api_func; cx2341x_handler_set_50hz(&dev->cxhdl, tsport->height == 576); v4l2_ctrl_add_handler(&dev->ctrl_handler, &dev->cxhdl.hdl, NULL, false); /* Allocate and initialize V4L video device */ dev->v4l_device = cx23885_video_dev_alloc(tsport, dev->pci, &cx23885_mpeg_template, "mpeg"); q = &dev->vb2_mpegq; q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; q->gfp_flags = GFP_DMA32; q->min_queued_buffers = 2; q->drv_priv = dev; q->buf_struct_size = sizeof(struct cx23885_buffer); q->ops = &cx23885_qops; q->mem_ops = &vb2_dma_sg_memops; q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; q->lock = &dev->lock; q->dev = &dev->pci->dev; err = vb2_queue_init(q); if (err < 0) return err; video_set_drvdata(dev->v4l_device, dev); dev->v4l_device->lock = &dev->lock; dev->v4l_device->queue = q; dev->v4l_device->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; if (dev->tuner_type != TUNER_ABSENT) dev->v4l_device->device_caps |= V4L2_CAP_TUNER; err = video_register_device(dev->v4l_device, VFL_TYPE_VIDEO, -1); if (err < 0) { pr_info("%s: can't register mpeg device\n", dev->name); return err; } pr_info("%s: registered device %s [mpeg]\n", dev->name, video_device_node_name(dev->v4l_device)); /* ST: Configure the encoder parameters, but don't begin * encoding, this resolves an issue where the first time the * encoder is started video can be choppy. */ cx23885_initialize_codec(dev, 0); return 0; } MODULE_FIRMWARE(CX23885_FIRM_IMAGE_NAME);