diff options
Diffstat (limited to 'drivers/staging/media/zoran/zoran_device.c')
| -rw-r--r-- | drivers/staging/media/zoran/zoran_device.c | 948 |
1 files changed, 0 insertions, 948 deletions
diff --git a/drivers/staging/media/zoran/zoran_device.c b/drivers/staging/media/zoran/zoran_device.c deleted file mode 100644 index 5b12a730a229..000000000000 --- a/drivers/staging/media/zoran/zoran_device.c +++ /dev/null @@ -1,948 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Zoran zr36057/zr36067 PCI controller driver, for the - * Pinnacle/Miro DC10/DC10+/DC30/DC30+, Iomega Buz, Linux - * Media Labs LML33/LML33R10. - * - * This part handles device access (PCI/I2C/codec/...) - * - * Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx> - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/module.h> - -#include <linux/interrupt.h> -#include <linux/i2c.h> -#include <linux/i2c-algo-bit.h> -#include <linux/videodev2.h> -#include <media/v4l2-common.h> -#include <linux/spinlock.h> - -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/wait.h> -#include <linux/dma-mapping.h> - -#include <linux/io.h> - -#include "videocodec.h" -#include "zoran.h" -#include "zoran_device.h" -#include "zoran_card.h" - -#define IRQ_MASK (ZR36057_ISR_GIRQ0 | \ - ZR36057_ISR_GIRQ1 | \ - ZR36057_ISR_JPEG_REP_IRQ) - -static bool lml33dpath; /* default = 0 - * 1 will use digital path in capture - * mode instead of analog. It can be - * used for picture adjustments using - * tool like xawtv while watching image - * on TV monitor connected to the output. - * However, due to absence of 75 Ohm - * load on Bt819 input, there will be - * some image imperfections - */ - -module_param(lml33dpath, bool, 0644); -MODULE_PARM_DESC(lml33dpath, "Use digital path capture mode (on LML33 cards)"); - -int zr_set_buf(struct zoran *zr); -/* - * initialize video front end - */ -static void zr36057_init_vfe(struct zoran *zr) -{ - u32 reg; - - reg = btread(ZR36057_VFESPFR); - reg |= ZR36057_VFESPFR_LITTLE_ENDIAN; - reg &= ~ZR36057_VFESPFR_VCLK_POL; - reg |= ZR36057_VFESPFR_EXT_FL; - reg |= ZR36057_VFESPFR_TOP_FIELD; - btwrite(reg, ZR36057_VFESPFR); - reg = btread(ZR36057_VDCR); - if (pci_pci_problems & PCIPCI_TRITON) - // || zr->revision < 1) // Revision 1 has also Triton support - reg &= ~ZR36057_VDCR_TRITON; - else - reg |= ZR36057_VDCR_TRITON; - btwrite(reg, ZR36057_VDCR); -} - -/* - * General Purpose I/O and Guest bus access - */ - -/* - * This is a bit tricky. When a board lacks a GPIO function, the corresponding - * GPIO bit number in the card_info structure is set to 0. - */ - -void GPIO(struct zoran *zr, int bit, unsigned int value) -{ - u32 reg; - u32 mask; - - /* Make sure the bit number is legal - * A bit number of -1 (lacking) gives a mask of 0, - * making it harmless - */ - mask = (1 << (24 + bit)) & 0xff000000; - reg = btread(ZR36057_GPPGCR1) & ~mask; - if (value) - reg |= mask; - - btwrite(reg, ZR36057_GPPGCR1); - udelay(1); -} - -/* - * Wait til post office is no longer busy - */ - -int post_office_wait(struct zoran *zr) -{ - u32 por; - -// while (((por = btread(ZR36057_POR)) & (ZR36057_POR_PO_PEN | ZR36057_POR_PO_TIME)) == ZR36057_POR_PO_PEN) { - while ((por = btread(ZR36057_POR)) & ZR36057_POR_PO_PEN) { - /* wait for something to happen */ - /* TODO add timeout */ - } - if ((por & ZR36057_POR_PO_TIME) && !zr->card.gws_not_connected) { - /* In LML33/BUZ \GWS line is not connected, so it has always timeout set */ - pci_info(zr->pci_dev, "pop timeout %08x\n", por); - return -1; - } - - return 0; -} - -int post_office_write(struct zoran *zr, unsigned int guest, - unsigned int reg, unsigned int value) -{ - u32 por; - - por = - ZR36057_POR_PO_DIR | ZR36057_POR_PO_TIME | ((guest & 7) << 20) | - ((reg & 7) << 16) | (value & 0xFF); - btwrite(por, ZR36057_POR); - - return post_office_wait(zr); -} - -int post_office_read(struct zoran *zr, unsigned int guest, unsigned int reg) -{ - u32 por; - - por = ZR36057_POR_PO_TIME | ((guest & 7) << 20) | ((reg & 7) << 16); - btwrite(por, ZR36057_POR); - if (post_office_wait(zr) < 0) - return -1; - - return btread(ZR36057_POR) & 0xFF; -} - -/* - * JPEG Codec access - */ - -void jpeg_codec_sleep(struct zoran *zr, int sleep) -{ - GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_SLEEP], !sleep); - if (!sleep) { - pci_dbg(zr->pci_dev, "%s() - wake GPIO=0x%08x\n", __func__, btread(ZR36057_GPPGCR1)); - udelay(500); - } else { - pci_dbg(zr->pci_dev, "%s() - sleep GPIO=0x%08x\n", __func__, btread(ZR36057_GPPGCR1)); - udelay(2); - } -} - -int jpeg_codec_reset(struct zoran *zr) -{ - /* Take the codec out of sleep */ - jpeg_codec_sleep(zr, 0); - - if (zr->card.gpcs[GPCS_JPEG_RESET] != 0xff) { - post_office_write(zr, zr->card.gpcs[GPCS_JPEG_RESET], 0, - 0); - udelay(2); - } else { - GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 0); - udelay(2); - GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_RESET], 1); - udelay(2); - } - - return 0; -} - -/* - * Set the registers for the size we have specified. Don't bother - * trying to understand this without the ZR36057 manual in front of - * you [AC]. - */ -static void zr36057_adjust_vfe(struct zoran *zr, enum zoran_codec_mode mode) -{ - u32 reg; - - switch (mode) { - case BUZ_MODE_MOTION_DECOMPRESS: - btand(~ZR36057_VFESPFR_EXT_FL, ZR36057_VFESPFR); - reg = btread(ZR36057_VFEHCR); - if ((reg & (1 << 10)) && zr->card.type != LML33R10) - reg += ((1 << 10) | 1); - - btwrite(reg, ZR36057_VFEHCR); - break; - case BUZ_MODE_MOTION_COMPRESS: - case BUZ_MODE_IDLE: - default: - if ((zr->norm & V4L2_STD_NTSC) || - (zr->card.type == LML33R10 && - (zr->norm & V4L2_STD_PAL))) - btand(~ZR36057_VFESPFR_EXT_FL, ZR36057_VFESPFR); - else - btor(ZR36057_VFESPFR_EXT_FL, ZR36057_VFESPFR); - reg = btread(ZR36057_VFEHCR); - if (!(reg & (1 << 10)) && zr->card.type != LML33R10) - reg -= ((1 << 10) | 1); - - btwrite(reg, ZR36057_VFEHCR); - break; - } -} - -/* - * set geometry - */ - -static void zr36057_set_vfe(struct zoran *zr, int video_width, int video_height, - const struct zoran_format *format) -{ - const struct tvnorm *tvn; - unsigned int h_start, h_end, v_start, v_end; - unsigned int disp_mode; - unsigned int vid_win_wid, vid_win_ht; - unsigned int hcrop1, hcrop2, vcrop1, vcrop2; - unsigned int wa, we, ha, he; - unsigned int X, Y, hor_dcm, ver_dcm; - u32 reg; - - tvn = zr->timing; - - wa = tvn->wa; - ha = tvn->ha; - - pci_info(zr->pci_dev, "set_vfe() - width = %d, height = %d\n", video_width, video_height); - - if (video_width < BUZ_MIN_WIDTH || - video_height < BUZ_MIN_HEIGHT || - video_width > wa || video_height > ha) { - pci_err(zr->pci_dev, "set_vfe: w=%d h=%d not valid\n", video_width, video_height); - return; - } - - /**** zr36057 ****/ - - /* horizontal */ - vid_win_wid = video_width; - X = DIV_ROUND_UP(vid_win_wid * 64, tvn->wa); - we = (vid_win_wid * 64) / X; - hor_dcm = 64 - X; - hcrop1 = 2 * ((tvn->wa - we) / 4); - hcrop2 = tvn->wa - we - hcrop1; - h_start = tvn->h_start ? tvn->h_start : 1; - /* (Ronald) Original comment: - * "| 1 Doesn't have any effect, tested on both a DC10 and a DC10+" - * this is false. It inverses chroma values on the LML33R10 (so Cr - * suddenly is shown as Cb and reverse, really cool effect if you - * want to see blue faces, not useful otherwise). So don't use |1. - * However, the DC10 has '0' as h_start, but does need |1, so we - * use a dirty check... - */ - h_end = h_start + tvn->wa - 1; - h_start += hcrop1; - h_end -= hcrop2; - reg = ((h_start & ZR36057_VFEHCR_HMASK) << ZR36057_VFEHCR_H_START) - | ((h_end & ZR36057_VFEHCR_HMASK) << ZR36057_VFEHCR_H_END); - if (zr->card.vfe_pol.hsync_pol) - reg |= ZR36057_VFEHCR_HS_POL; - btwrite(reg, ZR36057_VFEHCR); - - /* Vertical */ - disp_mode = !(video_height > BUZ_MAX_HEIGHT / 2); - vid_win_ht = disp_mode ? video_height : video_height / 2; - Y = DIV_ROUND_UP(vid_win_ht * 64 * 2, tvn->ha); - he = (vid_win_ht * 64) / Y; - ver_dcm = 64 - Y; - vcrop1 = (tvn->ha / 2 - he) / 2; - vcrop2 = tvn->ha / 2 - he - vcrop1; - v_start = tvn->v_start; - v_end = v_start + tvn->ha / 2; // - 1; FIXME SnapShot times out with -1 in 768*576 on the DC10 - LP - v_start += vcrop1; - v_end -= vcrop2; - reg = ((v_start & ZR36057_VFEVCR_VMASK) << ZR36057_VFEVCR_V_START) - | ((v_end & ZR36057_VFEVCR_VMASK) << ZR36057_VFEVCR_V_END); - if (zr->card.vfe_pol.vsync_pol) - reg |= ZR36057_VFEVCR_VS_POL; - btwrite(reg, ZR36057_VFEVCR); - - /* scaler and pixel format */ - reg = 0; - reg |= (hor_dcm << ZR36057_VFESPFR_HOR_DCM); - reg |= (ver_dcm << ZR36057_VFESPFR_VER_DCM); - reg |= (disp_mode << ZR36057_VFESPFR_DISP_MODE); - /* RJ: I don't know, why the following has to be the opposite - * of the corresponding ZR36060 setting, but only this way - * we get the correct colors when uncompressing to the screen */ - //reg |= ZR36057_VFESPFR_VCLK_POL; /**/ - /* RJ: Don't know if that is needed for NTSC also */ - if (!(zr->norm & V4L2_STD_NTSC)) - reg |= ZR36057_VFESPFR_EXT_FL; // NEEDED!!!!!!! Wolfgang - reg |= ZR36057_VFESPFR_TOP_FIELD; - if (hor_dcm >= 48) - reg |= 3 << ZR36057_VFESPFR_H_FILTER; /* 5 tap filter */ - else if (hor_dcm >= 32) - reg |= 2 << ZR36057_VFESPFR_H_FILTER; /* 4 tap filter */ - else if (hor_dcm >= 16) - reg |= 1 << ZR36057_VFESPFR_H_FILTER; /* 3 tap filter */ - - reg |= format->vfespfr; - btwrite(reg, ZR36057_VFESPFR); - - /* display configuration */ - reg = (16 << ZR36057_VDCR_MIN_PIX) - | (vid_win_ht << ZR36057_VDCR_VID_WIN_HT) - | (vid_win_wid << ZR36057_VDCR_VID_WIN_WID); - if (pci_pci_problems & PCIPCI_TRITON) - // || zr->revision < 1) // Revision 1 has also Triton support - reg &= ~ZR36057_VDCR_TRITON; - else - reg |= ZR36057_VDCR_TRITON; - btwrite(reg, ZR36057_VDCR); - - zr36057_adjust_vfe(zr, zr->codec_mode); -} - -/* Enable/Disable uncompressed memory grabbing of the 36057 */ -void zr36057_set_memgrab(struct zoran *zr, int mode) -{ - if (mode) { - /* We only check SnapShot and not FrameGrab here. SnapShot==1 - * means a capture is already in progress, but FrameGrab==1 - * doesn't necessary mean that. It's more correct to say a 1 - * to 0 transition indicates a capture completed. If a - * capture is pending when capturing is tuned off, FrameGrab - * will be stuck at 1 until capturing is turned back on. - */ - if (btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SNAP_SHOT) - pci_warn(zr->pci_dev, "zr36057_set_memgrab(1) with SnapShot on!?\n"); - - /* switch on VSync interrupts */ - btwrite(IRQ_MASK, ZR36057_ISR); // Clear Interrupts - btor(zr->card.vsync_int, ZR36057_ICR); // SW - - /* enable SnapShot */ - btor(ZR36057_VSSFGR_SNAP_SHOT, ZR36057_VSSFGR); - - /* Set zr36057 video front end and enable video */ - zr36057_set_vfe(zr, zr->v4l_settings.width, - zr->v4l_settings.height, - zr->v4l_settings.format); - } else { - /* switch off VSync interrupts */ - btand(~zr->card.vsync_int, ZR36057_ICR); // SW - - /* re-enable grabbing to screen if it was running */ - btand(~ZR36057_VDCR_VID_EN, ZR36057_VDCR); - btand(~ZR36057_VSSFGR_SNAP_SHOT, ZR36057_VSSFGR); - } -} - -/***************************************************************************** - * * - * Set up the Buz-specific MJPEG part * - * * - *****************************************************************************/ - -static inline void set_frame(struct zoran *zr, int val) -{ - GPIO(zr, zr->card.gpio[ZR_GPIO_JPEG_FRAME], val); -} - -static void set_videobus_dir(struct zoran *zr, int val) -{ - switch (zr->card.type) { - case LML33: - case LML33R10: - if (!lml33dpath) - GPIO(zr, 5, val); - else - GPIO(zr, 5, 1); - break; - default: - GPIO(zr, zr->card.gpio[ZR_GPIO_VID_DIR], - zr->card.gpio_pol[ZR_GPIO_VID_DIR] ? !val : val); - break; - } -} - -static void init_jpeg_queue(struct zoran *zr) -{ - int i; - - /* re-initialize DMA ring stuff */ - zr->jpg_que_head = 0; - zr->jpg_dma_head = 0; - zr->jpg_dma_tail = 0; - zr->jpg_que_tail = 0; - zr->jpg_seq_num = 0; - zr->jpeg_error = 0; - zr->num_errors = 0; - zr->jpg_err_seq = 0; - zr->jpg_err_shift = 0; - zr->jpg_queued_num = 0; - for (i = 0; i < BUZ_NUM_STAT_COM; i++) - zr->stat_com[i] = cpu_to_le32(1); /* mark as unavailable to zr36057 */ -} - -static void zr36057_set_jpg(struct zoran *zr, enum zoran_codec_mode mode) -{ - const struct tvnorm *tvn; - u32 reg; - - tvn = zr->timing; - - /* assert P_Reset, disable code transfer, deassert Active */ - btwrite(0, ZR36057_JPC); - - /* MJPEG compression mode */ - switch (mode) { - case BUZ_MODE_MOTION_COMPRESS: - default: - reg = ZR36057_JMC_MJPG_CMP_MODE; - break; - - case BUZ_MODE_MOTION_DECOMPRESS: - reg = ZR36057_JMC_MJPG_EXP_MODE; - reg |= ZR36057_JMC_SYNC_MSTR; - /* RJ: The following is experimental - improves the output to screen */ - //if(zr->jpg_settings.VFIFO_FB) reg |= ZR36057_JMC_VFIFO_FB; // No, it doesn't. SM - break; - - case BUZ_MODE_STILL_COMPRESS: - reg = ZR36057_JMC_JPG_CMP_MODE; - break; - - case BUZ_MODE_STILL_DECOMPRESS: - reg = ZR36057_JMC_JPG_EXP_MODE; - break; - } - reg |= ZR36057_JMC_JPG; - if (zr->jpg_settings.field_per_buff == 1) - reg |= ZR36057_JMC_FLD_PER_BUFF; - btwrite(reg, ZR36057_JMC); - - /* vertical */ - btor(ZR36057_VFEVCR_VS_POL, ZR36057_VFEVCR); - reg = (6 << ZR36057_VSP_VSYNC_SIZE) | - (tvn->ht << ZR36057_VSP_FRM_TOT); - btwrite(reg, ZR36057_VSP); - reg = ((zr->jpg_settings.img_y + tvn->v_start) << ZR36057_FVAP_NAY) | - (zr->jpg_settings.img_height << ZR36057_FVAP_PAY); - btwrite(reg, ZR36057_FVAP); - - /* horizontal */ - if (zr->card.vfe_pol.hsync_pol) - btor(ZR36057_VFEHCR_HS_POL, ZR36057_VFEHCR); - else - btand(~ZR36057_VFEHCR_HS_POL, ZR36057_VFEHCR); - reg = ((tvn->h_sync_start) << ZR36057_HSP_HSYNC_START) | - (tvn->wt << ZR36057_HSP_LINE_TOT); - btwrite(reg, ZR36057_HSP); - reg = ((zr->jpg_settings.img_x + - tvn->h_start + 4) << ZR36057_FHAP_NAX) | - (zr->jpg_settings.img_width << ZR36057_FHAP_PAX); - btwrite(reg, ZR36057_FHAP); - - /* field process parameters */ - if (zr->jpg_settings.odd_even) - reg = ZR36057_FPP_ODD_EVEN; - else - reg = 0; - - btwrite(reg, ZR36057_FPP); - - /* Set proper VCLK Polarity, else colors will be wrong during playback */ - //btor(ZR36057_VFESPFR_VCLK_POL, ZR36057_VFESPFR); - - /* code base address */ - btwrite(zr->p_sc, ZR36057_JCBA); - - /* FIFO threshold (FIFO is 160. double words) */ - /* NOTE: decimal values here */ - switch (mode) { - case BUZ_MODE_STILL_COMPRESS: - case BUZ_MODE_MOTION_COMPRESS: - if (zr->card.type != BUZ) - reg = 140; - else - reg = 60; - break; - - case BUZ_MODE_STILL_DECOMPRESS: - case BUZ_MODE_MOTION_DECOMPRESS: - reg = 20; - break; - - default: - reg = 80; - break; - } - btwrite(reg, ZR36057_JCFT); - zr36057_adjust_vfe(zr, mode); -} - -void clear_interrupt_counters(struct zoran *zr) -{ - zr->intr_counter_GIRQ1 = 0; - zr->intr_counter_GIRQ0 = 0; - zr->intr_counter_cod_rep_irq = 0; - zr->intr_counter_jpeg_rep_irq = 0; - zr->field_counter = 0; - zr->irq1_in = 0; - zr->irq1_out = 0; - zr->jpeg_in = 0; - zr->jpeg_out = 0; - zr->JPEG_0 = 0; - zr->JPEG_1 = 0; - zr->end_event_missed = 0; - zr->jpeg_missed = 0; - zr->jpeg_max_missed = 0; - zr->jpeg_min_missed = 0x7fffffff; -} - -static u32 count_reset_interrupt(struct zoran *zr) -{ - u32 isr; - - isr = btread(ZR36057_ISR) & 0x78000000; - if (isr) { - if (isr & ZR36057_ISR_GIRQ1) { - btwrite(ZR36057_ISR_GIRQ1, ZR36057_ISR); - zr->intr_counter_GIRQ1++; - } - if (isr & ZR36057_ISR_GIRQ0) { - btwrite(ZR36057_ISR_GIRQ0, ZR36057_ISR); - zr->intr_counter_GIRQ0++; - } - if (isr & ZR36057_ISR_COD_REP_IRQ) { - btwrite(ZR36057_ISR_COD_REP_IRQ, ZR36057_ISR); - zr->intr_counter_cod_rep_irq++; - } - if (isr & ZR36057_ISR_JPEG_REP_IRQ) { - btwrite(ZR36057_ISR_JPEG_REP_IRQ, ZR36057_ISR); - zr->intr_counter_jpeg_rep_irq++; - } - } - return isr; -} - -void jpeg_start(struct zoran *zr) -{ - int reg; - - zr->frame_num = 0; - - /* deassert P_reset, disable code transfer, deassert Active */ - btwrite(ZR36057_JPC_P_RESET, ZR36057_JPC); - /* stop flushing the internal code buffer */ - btand(~ZR36057_MCTCR_C_FLUSH, ZR36057_MCTCR); - /* enable code transfer */ - btor(ZR36057_JPC_COD_TRNS_EN, ZR36057_JPC); - - /* clear IRQs */ - btwrite(IRQ_MASK, ZR36057_ISR); - /* enable the JPEG IRQs */ - btwrite(zr->card.jpeg_int | ZR36057_ICR_JPEG_REP_IRQ | ZR36057_ICR_INT_PIN_EN, - ZR36057_ICR); - - set_frame(zr, 0); // \FRAME - - /* set the JPEG codec guest ID */ - reg = (zr->card.gpcs[1] << ZR36057_JCGI_JPE_GUEST_ID) | - (0 << ZR36057_JCGI_JPE_GUEST_REG); - btwrite(reg, ZR36057_JCGI); - - if (zr->card.video_vfe == CODEC_TYPE_ZR36016 && - zr->card.video_codec == CODEC_TYPE_ZR36050) { - /* Enable processing on the ZR36016 */ - if (zr->vfe) - zr36016_write(zr->vfe, 0, 1); - - /* load the address of the GO register in the ZR36050 latch */ - post_office_write(zr, 0, 0, 0); - } - - /* assert Active */ - btor(ZR36057_JPC_ACTIVE, ZR36057_JPC); - - /* enable the Go generation */ - btor(ZR36057_JMC_GO_EN, ZR36057_JMC); - udelay(30); - - set_frame(zr, 1); // /FRAME - - pci_dbg(zr->pci_dev, "jpeg_start\n"); -} - -void zr36057_enable_jpg(struct zoran *zr, enum zoran_codec_mode mode) -{ - struct vfe_settings cap; - int field_size = zr->buffer_size / zr->jpg_settings.field_per_buff; - - zr->codec_mode = mode; - - cap.x = zr->jpg_settings.img_x; - cap.y = zr->jpg_settings.img_y; - cap.width = zr->jpg_settings.img_width; - cap.height = zr->jpg_settings.img_height; - cap.decimation = - zr->jpg_settings.hor_dcm | (zr->jpg_settings.ver_dcm << 8); - cap.quality = zr->jpg_settings.jpg_comp.quality; - - switch (mode) { - case BUZ_MODE_MOTION_COMPRESS: { - struct jpeg_app_marker app; - struct jpeg_com_marker com; - - /* In motion compress mode, the decoder output must be enabled, and - * the video bus direction set to input. - */ - set_videobus_dir(zr, 0); - decoder_call(zr, video, s_stream, 1); - encoder_call(zr, video, s_routing, 0, 0, 0); - - /* Take the JPEG codec and the VFE out of sleep */ - jpeg_codec_sleep(zr, 0); - - /* set JPEG app/com marker */ - app.appn = zr->jpg_settings.jpg_comp.APPn; - app.len = zr->jpg_settings.jpg_comp.APP_len; - memcpy(app.data, zr->jpg_settings.jpg_comp.APP_data, 60); - zr->codec->control(zr->codec, CODEC_S_JPEG_APP_DATA, - sizeof(struct jpeg_app_marker), &app); - - com.len = zr->jpg_settings.jpg_comp.COM_len; - memcpy(com.data, zr->jpg_settings.jpg_comp.COM_data, 60); - zr->codec->control(zr->codec, CODEC_S_JPEG_COM_DATA, - sizeof(struct jpeg_com_marker), &com); - - /* Setup the JPEG codec */ - zr->codec->control(zr->codec, CODEC_S_JPEG_TDS_BYTE, - sizeof(int), &field_size); - zr->codec->set_video(zr->codec, zr->timing, &cap, - &zr->card.vfe_pol); - zr->codec->set_mode(zr->codec, CODEC_DO_COMPRESSION); - - /* Setup the VFE */ - if (zr->vfe) { - zr->vfe->control(zr->vfe, CODEC_S_JPEG_TDS_BYTE, - sizeof(int), &field_size); - zr->vfe->set_video(zr->vfe, zr->timing, &cap, - &zr->card.vfe_pol); - zr->vfe->set_mode(zr->vfe, CODEC_DO_COMPRESSION); - } - - init_jpeg_queue(zr); - zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO - - clear_interrupt_counters(zr); - pci_info(zr->pci_dev, "enable_jpg(MOTION_COMPRESS)\n"); - break; - } - - case BUZ_MODE_MOTION_DECOMPRESS: - /* In motion decompression mode, the decoder output must be disabled, and - * the video bus direction set to output. - */ - decoder_call(zr, video, s_stream, 0); - set_videobus_dir(zr, 1); - encoder_call(zr, video, s_routing, 1, 0, 0); - - /* Take the JPEG codec and the VFE out of sleep */ - jpeg_codec_sleep(zr, 0); - /* Setup the VFE */ - if (zr->vfe) { - zr->vfe->set_video(zr->vfe, zr->timing, &cap, - &zr->card.vfe_pol); - zr->vfe->set_mode(zr->vfe, CODEC_DO_EXPANSION); - } - /* Setup the JPEG codec */ - zr->codec->set_video(zr->codec, zr->timing, &cap, - &zr->card.vfe_pol); - zr->codec->set_mode(zr->codec, CODEC_DO_EXPANSION); - - init_jpeg_queue(zr); - zr36057_set_jpg(zr, mode); // \P_Reset, ... Video param, FIFO - - clear_interrupt_counters(zr); - pci_info(zr->pci_dev, "enable_jpg(MOTION_DECOMPRESS)\n"); - break; - - case BUZ_MODE_IDLE: - default: - /* shut down processing */ - btand(~(zr->card.jpeg_int | ZR36057_ICR_JPEG_REP_IRQ), - ZR36057_ICR); - btwrite(zr->card.jpeg_int | ZR36057_ICR_JPEG_REP_IRQ, - ZR36057_ISR); - btand(~ZR36057_JMC_GO_EN, ZR36057_JMC); // \Go_en - - msleep(50); - - set_videobus_dir(zr, 0); - set_frame(zr, 1); // /FRAME - btor(ZR36057_MCTCR_C_FLUSH, ZR36057_MCTCR); // /CFlush - btwrite(0, ZR36057_JPC); // \P_Reset,\CodTrnsEn,\Active - btand(~ZR36057_JMC_VFIFO_FB, ZR36057_JMC); - btand(~ZR36057_JMC_SYNC_MSTR, ZR36057_JMC); - jpeg_codec_reset(zr); - jpeg_codec_sleep(zr, 1); - zr36057_adjust_vfe(zr, mode); - - decoder_call(zr, video, s_stream, 1); - encoder_call(zr, video, s_routing, 0, 0, 0); - - pci_info(zr->pci_dev, "enable_jpg(IDLE)\n"); - break; - } -} - -/* when this is called the spinlock must be held */ -void zoran_feed_stat_com(struct zoran *zr) -{ - /* move frames from pending queue to DMA */ - - int i, max_stat_com; - struct zr_buffer *buf; - struct vb2_v4l2_buffer *vbuf; - dma_addr_t phys_addr = 0; - unsigned long flags; - unsigned long payload; - - max_stat_com = - (zr->jpg_settings.tmp_dcm == - 1) ? BUZ_NUM_STAT_COM : (BUZ_NUM_STAT_COM >> 1); - - spin_lock_irqsave(&zr->queued_bufs_lock, flags); - while ((zr->jpg_dma_head - zr->jpg_dma_tail) < max_stat_com) { - buf = list_first_entry_or_null(&zr->queued_bufs, struct zr_buffer, queue); - if (!buf) { - pci_err(zr->pci_dev, "No buffer available to queue\n"); - spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); - return; - } - list_del(&buf->queue); - zr->buf_in_reserve--; - vbuf = &buf->vbuf; - vbuf->vb2_buf.state = VB2_BUF_STATE_ACTIVE; - phys_addr = vb2_dma_contig_plane_dma_addr(&vbuf->vb2_buf, 0); - payload = vb2_get_plane_payload(&vbuf->vb2_buf, 0); - if (payload == 0) - payload = zr->buffer_size; - if (zr->jpg_settings.tmp_dcm == 1) { - /* fill 1 stat_com entry */ - i = (zr->jpg_dma_head - - zr->jpg_err_shift) & BUZ_MASK_STAT_COM; - if (!(zr->stat_com[i] & cpu_to_le32(1))) - break; - zr->stat_comb[i * 2] = cpu_to_le32(phys_addr); - zr->stat_comb[i * 2 + 1] = cpu_to_le32((payload >> 1) | 1); - zr->inuse[i] = buf; - zr->stat_com[i] = cpu_to_le32(zr->p_scb + i * 2 * 4); - } else { - /* fill 2 stat_com entries */ - i = ((zr->jpg_dma_head - - zr->jpg_err_shift) & 1) * 2; - if (!(zr->stat_com[i] & cpu_to_le32(1))) - break; - zr->stat_com[i] = cpu_to_le32(zr->p_scb + i * 2 * 4); - zr->stat_com[i + 1] = cpu_to_le32(zr->p_scb + i * 2 * 4); - - zr->stat_comb[i * 2] = cpu_to_le32(phys_addr); - zr->stat_comb[i * 2 + 1] = cpu_to_le32((payload >> 1) | 1); - - zr->inuse[i] = buf; - zr->inuse[i + 1] = NULL; - } - zr->jpg_dma_head++; - } - spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); - if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) - zr->jpg_queued_num++; -} - -/* when this is called the spinlock must be held */ -static void zoran_reap_stat_com(struct zoran *zr) -{ - /* move frames from DMA queue to done queue */ - - int i; - u32 stat_com; - unsigned int seq; - unsigned int dif; - unsigned long flags; - struct zr_buffer *buf; - unsigned int size = 0; - u32 fcnt; - - /* In motion decompress we don't have a hardware frame counter, - * we just count the interrupts here */ - - if (zr->codec_mode == BUZ_MODE_MOTION_DECOMPRESS) - zr->jpg_seq_num++; - - spin_lock_irqsave(&zr->queued_bufs_lock, flags); - while (zr->jpg_dma_tail < zr->jpg_dma_head) { - if (zr->jpg_settings.tmp_dcm == 1) - i = (zr->jpg_dma_tail - zr->jpg_err_shift) & BUZ_MASK_STAT_COM; - else - i = ((zr->jpg_dma_tail - zr->jpg_err_shift) & 1) * 2 + 1; - - stat_com = le32_to_cpu(zr->stat_com[i]); - if ((stat_com & 1) == 0) { - spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); - return; - } - - fcnt = (stat_com & GENMASK(31, 24)) >> 24; - size = (stat_com & GENMASK(22, 1)) >> 1; - - buf = zr->inuse[i]; - buf->vbuf.vb2_buf.timestamp = ktime_get_ns(); - - if (zr->codec_mode == BUZ_MODE_MOTION_COMPRESS) { - vb2_set_plane_payload(&buf->vbuf.vb2_buf, 0, size); - - /* update sequence number with the help of the counter in stat_com */ - seq = (fcnt + zr->jpg_err_seq) & 0xff; - dif = (seq - zr->jpg_seq_num) & 0xff; - zr->jpg_seq_num += dif; - } - buf->vbuf.sequence = zr->jpg_settings.tmp_dcm == - 2 ? (zr->jpg_seq_num >> 1) : zr->jpg_seq_num; - zr->inuse[i] = NULL; - if (zr->jpg_settings.tmp_dcm != 1) - buf->vbuf.field = zr->jpg_settings.odd_even ? - V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM; - else - buf->vbuf.field = zr->jpg_settings.odd_even ? - V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT; - vb2_buffer_done(&buf->vbuf.vb2_buf, VB2_BUF_STATE_DONE); - - zr->jpg_dma_tail++; - } - spin_unlock_irqrestore(&zr->queued_bufs_lock, flags); -} - -irqreturn_t zoran_irq(int irq, void *dev_id) -{ - struct zoran *zr = dev_id; - u32 stat, astat; - - stat = count_reset_interrupt(zr); - astat = stat & IRQ_MASK; - if (astat & zr->card.vsync_int) { - if (zr->running == ZORAN_MAP_MODE_RAW) { - if ((btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_SNAP_SHOT) == 0) - pci_warn(zr->pci_dev, "BuzIRQ with SnapShot off ???\n"); - if ((btread(ZR36057_VSSFGR) & ZR36057_VSSFGR_FRAME_GRAB) == 0) - zr_set_buf(zr); - return IRQ_HANDLED; - } - if (astat & ZR36057_ISR_JPEG_REP_IRQ) { - if (zr->codec_mode != BUZ_MODE_MOTION_DECOMPRESS && - zr->codec_mode != BUZ_MODE_MOTION_COMPRESS) { - pci_err(zr->pci_dev, "JPG IRQ when not in good mode\n"); - return IRQ_HANDLED; - } - zr->frame_num++; - zoran_reap_stat_com(zr); - zoran_feed_stat_com(zr); - return IRQ_HANDLED; - } - /* unused interrupts */ - } - zr->ghost_int++; - return IRQ_HANDLED; -} - -void zoran_set_pci_master(struct zoran *zr, int set_master) -{ - if (set_master) { - pci_set_master(zr->pci_dev); - } else { - u16 command; - - pci_read_config_word(zr->pci_dev, PCI_COMMAND, &command); - command &= ~PCI_COMMAND_MASTER; - pci_write_config_word(zr->pci_dev, PCI_COMMAND, command); - } -} - -void zoran_init_hardware(struct zoran *zr) -{ - /* Enable bus-mastering */ - zoran_set_pci_master(zr, 1); - - /* Initialize the board */ - if (zr->card.init) - zr->card.init(zr); - - decoder_call(zr, core, init, 0); - decoder_call(zr, video, s_std, zr->norm); - decoder_call(zr, video, s_routing, - zr->card.input[zr->input].muxsel, 0, 0); - - encoder_call(zr, core, init, 0); - encoder_call(zr, video, s_std_output, zr->norm); - encoder_call(zr, video, s_routing, 0, 0, 0); - - /* toggle JPEG codec sleep to sync PLL */ - jpeg_codec_sleep(zr, 1); - jpeg_codec_sleep(zr, 0); - - /* - * set individual interrupt enables (without GIRQ1) - * but don't global enable until zoran_open() - */ - zr36057_init_vfe(zr); - - zr36057_enable_jpg(zr, BUZ_MODE_IDLE); - - btwrite(IRQ_MASK, ZR36057_ISR); // Clears interrupts -} - -void zr36057_restart(struct zoran *zr) -{ - btwrite(0, ZR36057_SPGPPCR); - udelay(1000); - btor(ZR36057_SPGPPCR_SOFT_RESET, ZR36057_SPGPPCR); - udelay(1000); - - /* assert P_Reset */ - btwrite(0, ZR36057_JPC); - /* set up GPIO direction - all output */ - btwrite(ZR36057_SPGPPCR_SOFT_RESET | 0, ZR36057_SPGPPCR); - - /* set up GPIO pins and guest bus timing */ - btwrite((0x81 << 24) | 0x8888, ZR36057_GPPGCR1); -} - |