diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-417.c')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-417.c | 1764 |
1 files changed, 1764 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c new file mode 100644 index 00000000000..acdd3b6b3e7 --- /dev/null +++ b/drivers/media/video/cx23885/cx23885-417.c @@ -0,0 +1,1764 @@ +/* + * + * Support for a cx23417 mpeg encoder via cx23885 host port. + * + * (c) 2004 Jelle Foks <jelle@foks.8m.com> + * (c) 2004 Gerd Knorr <kraxel@bytesex.org> + * (c) 2008 Steven Toth <stoth@hauppauge.com> + * - CX23885/7/8 support + * + * Includes parts from the ivtv driver( http://ivtv.sourceforge.net/), + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/fs.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/firmware.h> +#include <media/v4l2-common.h> +#include <media/cx2341x.h> + +#include "cx23885.h" +#include "media/cx2341x.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->name , ## 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; +} + +/* ------------------------------------------------------------------ */ + +/* MPEG encoder API */ +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", + CX2341X_FIRM_ENC_FILENAME); + 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); + + /* Restore GPIO settings, make sure EIO14 is enabled as an output. */ + dprintk(2, "%s: GPIO output EIO 0-15 was = 0x%x\n", + __func__, gpio_output); + /* Power-up seems to have GPIOs AFU. This was causing digital side + * to fail at power-up. Seems GPIOs should be set to 0x10ff0411 at + * power-up. + * gpio_output |= (1<<14); + */ + /* Note: GPIO14 is specific to the HVR1800 here */ + gpio_output = 0x10ff0411 | (1<<14); + retval |= mc417_register_write(dev, 0x9020, gpio_output | (1<<14)); + dprintk(2, "%s: GPIO output EIO 0-15 now = 0x%x\n", + __func__, gpio_output); + + dprintk(1, "%s: GPIO value EIO 0-15 was = 0x%x\n", + __func__, value); + value |= (1<<14); + dprintk(1, "%s: GPIO value EIO 0-15 now = 0x%x\n", + __func__, value); + 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; + } + dev->cx23417_mailbox = cx23885_find_mailbox(dev); + if (dev->cx23417_mailbox < 0) { + printk(KERN_ERR "%s() mailbox < 0, error\n", + __func__); + return -1; + } + 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(qmenu->id)); +} + +int cx23885_do_ioctl(struct inode *inode, struct file *file, int radio, + struct cx23885_dev *dev, unsigned int cmd, void *arg, + v4l2_kioctl driver_ioctl) +{ + int err; + + switch (cmd) { + /* ---------- tv norms ---------- */ + case VIDIOC_ENUMSTD: + { + struct v4l2_standard *e = arg; + unsigned int i; + + i = e->index; + if (i >= ARRAY_SIZE(cx23885_tvnorms)) + return -EINVAL; + err = v4l2_video_std_construct(e, + cx23885_tvnorms[e->index].id, + cx23885_tvnorms[e->index].name); + e->index = i; + if (err < 0) + return err; + return 0; + } + case VIDIOC_G_STD: + { + v4l2_std_id *id = arg; + + *id = dev->encodernorm.id; + return 0; + } + case VIDIOC_S_STD: + { + v4l2_std_id *id = arg; + 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]; + + return 0; + } + + /* ------ input switching ---------- */ + case VIDIOC_ENUMINPUT: + { + struct cx23885_input *input; + struct v4l2_input *i = arg; + unsigned int n; + + n = i->index; + if (n >= 4) + return -EINVAL; + input = &cx23885_boards[dev->board].input[n]; + if (input->type == 0) + return -EINVAL; + memset(i, 0, sizeof(*i)); + i->index = n; + /* 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; + } + case VIDIOC_G_INPUT: + { + unsigned int *i = arg; + + *i = dev->input; + return 0; + } + case VIDIOC_S_INPUT: + { + unsigned int *i = arg; + + if (*i >= 4) + return -EINVAL; + + return 0; + } + + /* --- tuner ioctls ------------------------------------------ */ + case VIDIOC_G_TUNER: + { + struct v4l2_tuner *t = arg; + + if (UNSET == dev->tuner_type) + return -EINVAL; + if (0 != t->index) + return -EINVAL; + memset(t, 0, sizeof(*t)); + strcpy(t->name, "Television"); + cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_TUNER, t); + cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_G_TUNER, t); + + dprintk(1, "VIDIOC_G_TUNER: tuner type %d\n", t->type); + + return 0; + } + case VIDIOC_S_TUNER: + { + struct v4l2_tuner *t = arg; + + if (UNSET == dev->tuner_type) + return -EINVAL; + + /* Update the A/V core */ + cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_TUNER, t); + + return 0; + } + case VIDIOC_G_FREQUENCY: + { + struct v4l2_frequency *f = arg; + + memset(f, 0, sizeof(*f)); + if (UNSET == dev->tuner_type) + return -EINVAL; + f->type = V4L2_TUNER_ANALOG_TV; + f->frequency = dev->freq; + + /* Assumption that tuner is always on bus 1 */ + cx23885_call_i2c_clients(&dev->i2c_bus[1], + VIDIOC_G_FREQUENCY, f); + + return 0; + } + case VIDIOC_S_FREQUENCY: + { + struct v4l2_frequency *f = arg; + + 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; + + /* Assumption that tuner is always on bus 1 */ + cx23885_call_i2c_clients(&dev->i2c_bus[1], + VIDIOC_S_FREQUENCY, f); + return 0; + } + case VIDIOC_S_CTRL: + { + /* Update the A/V core */ + cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_CTRL, arg); + return 0; + } + default: + /* Convert V4L ioctl to V4L2 and call mpeg_do_ioctl + * (driver_ioctl) */ + return v4l_compat_translate_ioctl(inode, file, cmd, arg, + driver_ioctl); + } + + return 0; +} + +static int mpeg_do_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, void *arg) +{ + struct cx23885_fh *fh = file->private_data; + struct cx23885_dev *dev = fh->dev; + struct cx23885_tsport *tsport = &dev->ts1; + + if (v4l_debug > 1) + v4l_print_ioctl(dev->name, cmd); + + switch (cmd) { + + /* --- capabilities ------------------------------------------ */ + case VIDIOC_QUERYCAP: + { + struct v4l2_capability *cap = arg; + + memset(cap, 0, sizeof(*cap)); + 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; + } + + /* --- capture ioctls ---------------------------------------- */ + case VIDIOC_ENUM_FMT: + { + struct v4l2_fmtdesc *f = arg; + int index; + + index = f->index; + if (index != 0) + return -EINVAL; + + memset(f, 0, sizeof(*f)); + f->index = index; + strlcpy(f->description, "MPEG", sizeof(f->description)); + f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + f->pixelformat = V4L2_PIX_FMT_MPEG; + return 0; + } + case VIDIOC_G_FMT: + { + struct v4l2_format *f = arg; + + memset(f, 0, sizeof(*f)); + f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + 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; + } + case VIDIOC_TRY_FMT: + { + struct v4l2_format *f = arg; + + f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + 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.sizeimage = + 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; + } + case VIDIOC_S_FMT: + { + struct v4l2_format *f = arg; + + f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + 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; + } + + /* --- streaming capture ------------------------------------- */ + case VIDIOC_REQBUFS: + return videobuf_reqbufs(&fh->mpegq, arg); + + case VIDIOC_QUERYBUF: + return videobuf_querybuf(&fh->mpegq, arg); + + case VIDIOC_QBUF: + return videobuf_qbuf(&fh->mpegq, arg); + + case VIDIOC_DQBUF: + return videobuf_dqbuf(&fh->mpegq, arg, + file->f_flags & O_NONBLOCK); + + case VIDIOC_STREAMON: + return videobuf_streamon(&fh->mpegq); + + case VIDIOC_STREAMOFF: + return videobuf_streamoff(&fh->mpegq); + + case VIDIOC_G_EXT_CTRLS: + { + struct v4l2_ext_controls *f = arg; + + if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) + return -EINVAL; + return cx2341x_ext_ctrls(&dev->mpeg_params, 0, f, cmd); + } + case VIDIOC_S_EXT_CTRLS: + case VIDIOC_TRY_EXT_CTRLS: + { + struct v4l2_ext_controls *f = arg; + 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, cmd); + if (err == 0 && cmd == VIDIOC_S_EXT_CTRLS) { + err = cx2341x_update(dev, cx23885_mbox_func, + &dev->mpeg_params, &p); + dev->mpeg_params = p; + } + return err; + } + case VIDIOC_S_FREQUENCY: + { + cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, + CX23885_END_NOW, CX23885_MPEG_CAPTURE, + CX23885_RAW_BITS_NONE); + cx23885_do_ioctl(inode, file, 0, dev, cmd, arg, + mpeg_do_ioctl); + cx23885_initialize_codec(dev); + + return 0; + } + case VIDIOC_LOG_STATUS: + { + char name[32 + 2]; + + snprintf(name, sizeof(name), "%s/2", dev->name); + printk(KERN_INFO + "%s/2: ============ START LOG STATUS ============\n", + dev->name); + cx23885_call_i2c_clients(&dev->i2c_bus[0], VIDIOC_LOG_STATUS, + NULL); + cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_LOG_STATUS, + NULL); + cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_LOG_STATUS, + NULL); + cx2341x_log_status(&dev->mpeg_params, name); + printk(KERN_INFO + "%s/2: ============= END LOG STATUS =============\n", + dev->name); + return 0; + } + case VIDIOC_QUERYMENU: + return cx23885_querymenu(dev, arg); + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *c = arg; + + return cx23885_queryctrl(dev, c); + } + + default: + return cx23885_do_ioctl(inode, file, 0, dev, cmd, arg, + mpeg_do_ioctl); + } + return 0; +} + +static int mpeg_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + return video_usercopy(inode, file, cmd, arg, mpeg_do_ioctl); +} + +static int mpeg_open(struct inode *inode, struct file *file) +{ + int minor = iminor(inode); + struct cx23885_dev *h, *dev = NULL; + struct list_head *list; + struct cx23885_fh *fh; + + dprintk(2, "%s()\n", __func__); + + list_for_each(list, &cx23885_devlist) { + h = list_entry(list, struct cx23885_dev, devlist); + if (h->v4l_device->minor == minor) { + dev = h; + break; + } + } + + if (dev == NULL) + return -ENODEV; + + /* allocate + initialize per filehandle data */ + fh = kzalloc(sizeof(*fh), GFP_KERNEL); + if (NULL == fh) + 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); + + return 0; +} + +static int mpeg_release(struct inode *inode, 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 file_operations mpeg_fops = { + .owner = THIS_MODULE, + .open = mpeg_open, + .release = mpeg_release, + .read = mpeg_read, + .poll = mpeg_poll, + .mmap = mpeg_mmap, + .ioctl = mpeg_ioctl, + .llseek = no_llseek, +}; + +static struct video_device cx23885_mpeg_template = { + .name = "cx23885", + .type = VID_TYPE_CAPTURE | + VID_TYPE_TUNER | + VID_TYPE_SCALES | + VID_TYPE_MPEG_ENCODER, + .fops = &mpeg_fops, + .minor = -1, +}; + +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; + vfd->minor = -1; + snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, + type, cx23885_boards[tsport->dev->board].name); + vfd->dev = &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; + } + + /* Initialize MC417 registers */ + cx23885_mc417_init(dev); + + printk(KERN_INFO "%s: registered device video%d [mpeg]\n", + dev->name, dev->v4l_device->minor & 0x1f); + + return 0; +} |