diff options
Diffstat (limited to 'drivers/staging/stradis/stradis.c')
| -rw-r--r-- | drivers/staging/stradis/stradis.c | 2222 |
1 files changed, 0 insertions, 2222 deletions
diff --git a/drivers/staging/stradis/stradis.c b/drivers/staging/stradis/stradis.c deleted file mode 100644 index 807dd7eb748..00000000000 --- a/drivers/staging/stradis/stradis.c +++ /dev/null @@ -1,2222 +0,0 @@ -/* - * stradis.c - stradis 4:2:2 mpeg decoder driver - * - * Stradis 4:2:2 MPEG-2 Decoder Driver - * Copyright (C) 1999 Nathan Laredo <laredo@gnu.org> - * - * 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/delay.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/major.h> -#include <linux/slab.h> -#include <linux/smp_lock.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/poll.h> -#include <linux/pci.h> -#include <linux/signal.h> -#include <asm/io.h> -#include <linux/ioport.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <linux/sched.h> -#include <asm/types.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <asm/uaccess.h> -#include <linux/vmalloc.h> -#include <linux/videodev.h> -#include <media/v4l2-common.h> -#include <media/v4l2-ioctl.h> - -#include "saa7146.h" -#include "saa7146reg.h" -#include "ibmmpeg2.h" -#include "saa7121.h" -#include "cs8420.h" - -#define DEBUG(x) /* debug driver */ -#undef IDEBUG /* debug irq handler */ -#undef MDEBUG /* debug memory management */ - -#define SAA7146_MAX 6 - -static struct saa7146 saa7146s[SAA7146_MAX]; - -static int saa_num; /* number of SAA7146s in use */ - -static int video_nr = -1; -module_param(video_nr, int, 0); -MODULE_LICENSE("GPL"); - -#define nDebNormal 0x00480000 -#define nDebNoInc 0x00480000 -#define nDebVideo 0xd0480000 -#define nDebAudio 0xd0400000 -#define nDebDMA 0x02c80000 - -#define oDebNormal 0x13c80000 -#define oDebNoInc 0x13c80000 -#define oDebVideo 0xd1080000 -#define oDebAudio 0xd1080000 -#define oDebDMA 0x03080000 - -#define NewCard (saa->boardcfg[3]) -#define ChipControl (saa->boardcfg[1]) -#define NTSCFirstActive (saa->boardcfg[4]) -#define PALFirstActive (saa->boardcfg[5]) -#define NTSCLastActive (saa->boardcfg[54]) -#define PALLastActive (saa->boardcfg[55]) -#define Have2MB (saa->boardcfg[18] & 0x40) -#define HaveCS8420 (saa->boardcfg[18] & 0x04) -#define IBMMPEGCD20 (saa->boardcfg[18] & 0x20) -#define HaveCS3310 (saa->boardcfg[18] & 0x01) -#define CS3310MaxLvl ((saa->boardcfg[30] << 8) | saa->boardcfg[31]) -#define HaveCS4341 (saa->boardcfg[40] == 2) -#define SDIType (saa->boardcfg[27]) -#define CurrentMode (saa->boardcfg[2]) - -#define debNormal (NewCard ? nDebNormal : oDebNormal) -#define debNoInc (NewCard ? nDebNoInc : oDebNoInc) -#define debVideo (NewCard ? nDebVideo : oDebVideo) -#define debAudio (NewCard ? nDebAudio : oDebAudio) -#define debDMA (NewCard ? nDebDMA : oDebDMA) - -#ifdef USE_RESCUE_EEPROM_SDM275 -static unsigned char rescue_eeprom[64] = { - 0x00, 0x01, 0x04, 0x13, 0x26, 0x0f, 0x10, 0x00, 0x00, 0x00, 0x43, 0x63, - 0x22, 0x01, 0x29, 0x15, 0x73, 0x00, 0x1f, 'd', 'e', 'c', 'x', 'l', - 'd', 'v', 'a', 0x02, 0x00, 0x01, 0x00, 0xcc, 0xa4, 0x63, 0x09, 0xe2, - 0x10, 0x00, 0x0a, 0x00, 0x02, 0x02, 'd', 'e', 'c', 'x', 'l', 'a', - 0x00, 0x00, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, -}; -#endif - -/* ----------------------------------------------------------------------- */ -/* Hardware I2C functions */ -static void I2CWipe(struct saa7146 *saa) -{ - int i; - /* set i2c to ~=100kHz, abort transfer, clear busy */ - saawrite(0x600 | SAA7146_I2C_ABORT, SAA7146_I2C_STATUS); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); - saawrite(0x600, SAA7146_I2C_STATUS); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); - saawrite(0x600, SAA7146_I2C_STATUS); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); -} - -/* read I2C */ -static int I2CRead(struct saa7146 *saa, unsigned char addr, - unsigned char subaddr, int dosub) -{ - int i; - - if (saaread(SAA7146_I2C_STATUS) & 0x3c) - I2CWipe(saa); - for (i = 0; - i < 1000 && (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); - i++) - schedule(); - if (i == 1000) - I2CWipe(saa); - if (dosub) - saawrite(((addr & 0xfe) << 24) | (((addr | 1) & 0xff) << 8) | - ((subaddr & 0xff) << 16) | 0xed, SAA7146_I2C_TRANSFER); - else - saawrite(((addr & 0xfe) << 24) | (((addr | 1) & 0xff) << 16) | - 0xf1, SAA7146_I2C_TRANSFER); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); - /* wait for valid data */ - for (i = 0; i < 1000 && - (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++) - schedule(); - if (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_ERR) - return -1; - if (i == 1000) - printk("i2c setup read timeout\n"); - saawrite(0x41, SAA7146_I2C_TRANSFER); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | - SAA7146_MC2_UPLD_I2C, SAA7146_MC2); - /* wait for i2c registers to be programmed */ - for (i = 0; i < 1000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) - schedule(); - /* wait for valid data */ - for (i = 0; i < 1000 && - (saaread(SAA7146_I2C_TRANSFER) & SAA7146_I2C_BUSY); i++) - schedule(); - if (saaread(SAA7146_I2C_TRANSFER) & SAA7146_I2C_ERR) - return -1; - if (i == 1000) - printk("i2c read timeout\n"); - return ((saaread(SAA7146_I2C_TRANSFER) >> 24) & 0xff); -} - -/* set both to write both bytes, reset it to write only b1 */ - -static int I2CWrite(struct saa7146 *saa, unsigned char addr, unsigned char b1, - unsigned char b2, int both) -{ - int i; - u32 data; - - if (saaread(SAA7146_I2C_STATUS) & 0x3c) - I2CWipe(saa); - for (i = 0; i < 1000 && - (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++) - schedule(); - if (i == 1000) - I2CWipe(saa); - data = ((addr & 0xfe) << 24) | ((b1 & 0xff) << 16); - if (both) - data |= ((b2 & 0xff) << 8) | 0xe5; - else - data |= 0xd1; - saawrite(data, SAA7146_I2C_TRANSFER); - saawrite((SAA7146_MC2_UPLD_I2C << 16) | SAA7146_MC2_UPLD_I2C, - SAA7146_MC2); - return 0; -} - -static void attach_inform(struct saa7146 *saa, int id) -{ - int i; - - DEBUG(printk(KERN_DEBUG "stradis%d: i2c: device found=%02x\n", saa->nr, - id)); - if (id == 0xa0) { /* we have rev2 or later board, fill in info */ - for (i = 0; i < 64; i++) - saa->boardcfg[i] = I2CRead(saa, 0xa0, i, 1); -#ifdef USE_RESCUE_EEPROM_SDM275 - if (saa->boardcfg[0] != 0) { - printk("stradis%d: WARNING: EEPROM STORED VALUES HAVE " - "BEEN IGNORED\n", saa->nr); - for (i = 0; i < 64; i++) - saa->boardcfg[i] = rescue_eeprom[i]; - } -#endif - printk("stradis%d: config =", saa->nr); - for (i = 0; i < 51; i++) { - printk(" %02x", saa->boardcfg[i]); - } - printk("\n"); - } -} - -static void I2CBusScan(struct saa7146 *saa) -{ - int i; - for (i = 0; i < 0xff; i += 2) - if ((I2CRead(saa, i, 0, 0)) >= 0) - attach_inform(saa, i); -} - -static int debiwait_maxwait; - -static int wait_for_debi_done(struct saa7146 *saa) -{ - int i; - - /* wait for registers to be programmed */ - for (i = 0; i < 100000 && - !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_DEBI); i++) - saaread(SAA7146_MC2); - /* wait for transfer to complete */ - for (i = 0; i < 500000 && - (saaread(SAA7146_PSR) & SAA7146_PSR_DEBI_S); i++) - saaread(SAA7146_MC2); - - if (i > debiwait_maxwait) - printk("wait-for-debi-done maxwait: %d\n", - debiwait_maxwait = i); - - if (i == 500000) - return -1; - - return 0; -} - -static int debiwrite(struct saa7146 *saa, u32 config, int addr, - u32 val, int count) -{ - u32 cmd; - if (count <= 0 || count > 32764) - return -1; - if (wait_for_debi_done(saa) < 0) - return -1; - saawrite(config, SAA7146_DEBI_CONFIG); - if (count <= 4) /* immediate transfer */ - saawrite(val, SAA7146_DEBI_AD); - else /* block transfer */ - saawrite(virt_to_bus(saa->dmadebi), SAA7146_DEBI_AD); - saawrite((cmd = (count << 17) | (addr & 0xffff)), SAA7146_DEBI_COMMAND); - saawrite((SAA7146_MC2_UPLD_DEBI << 16) | SAA7146_MC2_UPLD_DEBI, - SAA7146_MC2); - return 0; -} - -static u32 debiread(struct saa7146 *saa, u32 config, int addr, int count) -{ - u32 result = 0; - - if (count > 32764 || count <= 0) - return 0; - if (wait_for_debi_done(saa) < 0) - return 0; - saawrite(virt_to_bus(saa->dmadebi), SAA7146_DEBI_AD); - saawrite((count << 17) | 0x10000 | (addr & 0xffff), - SAA7146_DEBI_COMMAND); - saawrite(config, SAA7146_DEBI_CONFIG); - saawrite((SAA7146_MC2_UPLD_DEBI << 16) | SAA7146_MC2_UPLD_DEBI, - SAA7146_MC2); - if (count > 4) /* not an immediate transfer */ - return count; - wait_for_debi_done(saa); - result = saaread(SAA7146_DEBI_AD); - if (count == 1) - result &= 0xff; - if (count == 2) - result &= 0xffff; - if (count == 3) - result &= 0xffffff; - return result; -} - -static void do_irq_send_data(struct saa7146 *saa) -{ - int split, audbytes, vidbytes; - - saawrite(SAA7146_PSR_PIN1, SAA7146_IER); - /* if special feature mode in effect, disable audio sending */ - if (saa->playmode != VID_PLAY_NORMAL) - saa->audtail = saa->audhead = 0; - if (saa->audhead <= saa->audtail) - audbytes = saa->audtail - saa->audhead; - else - audbytes = 65536 - (saa->audhead - saa->audtail); - if (saa->vidhead <= saa->vidtail) - vidbytes = saa->vidtail - saa->vidhead; - else - vidbytes = 524288 - (saa->vidhead - saa->vidtail); - if (audbytes == 0 && vidbytes == 0 && saa->osdtail == saa->osdhead) { - saawrite(0, SAA7146_IER); - return; - } - /* if at least 1 block audio waiting and audio fifo isn't full */ - if (audbytes >= 2048 && (debiread(saa, debNormal, IBM_MP2_AUD_FIFO, 2) - & 0xff) < 60) { - if (saa->audhead > saa->audtail) - split = 65536 - saa->audhead; - else - split = 0; - audbytes = 2048; - if (split > 0 && split < 2048) { - memcpy(saa->dmadebi, saa->audbuf + saa->audhead, split); - saa->audhead = 0; - audbytes -= split; - } else - split = 0; - memcpy(saa->dmadebi + split, saa->audbuf + saa->audhead, - audbytes); - saa->audhead += audbytes; - saa->audhead &= 0xffff; - debiwrite(saa, debAudio, (NewCard ? IBM_MP2_AUD_FIFO : - IBM_MP2_AUD_FIFOW), 0, 2048); - wake_up_interruptible(&saa->audq); - /* if at least 1 block video waiting and video fifo isn't full */ - } else if (vidbytes >= 30720 && (debiread(saa, debNormal, - IBM_MP2_FIFO, 2)) < 16384) { - if (saa->vidhead > saa->vidtail) - split = 524288 - saa->vidhead; - else - split = 0; - vidbytes = 30720; - if (split > 0 && split < 30720) { - memcpy(saa->dmadebi, saa->vidbuf + saa->vidhead, split); - saa->vidhead = 0; - vidbytes -= split; - } else - split = 0; - memcpy(saa->dmadebi + split, saa->vidbuf + saa->vidhead, - vidbytes); - saa->vidhead += vidbytes; - saa->vidhead &= 0x7ffff; - debiwrite(saa, debVideo, (NewCard ? IBM_MP2_FIFO : - IBM_MP2_FIFOW), 0, 30720); - wake_up_interruptible(&saa->vidq); - } - saawrite(SAA7146_PSR_DEBI_S | SAA7146_PSR_PIN1, SAA7146_IER); -} - -static void send_osd_data(struct saa7146 *saa) -{ - int size = saa->osdtail - saa->osdhead; - if (size > 30720) - size = 30720; - /* ensure some multiple of 8 bytes is transferred */ - size = 8 * ((size + 8) >> 3); - if (size) { - debiwrite(saa, debNormal, IBM_MP2_OSD_ADDR, - (saa->osdhead >> 3), 2); - memcpy(saa->dmadebi, &saa->osdbuf[saa->osdhead], size); - saa->osdhead += size; - /* block transfer of next 8 bytes to ~32k bytes */ - debiwrite(saa, debNormal, IBM_MP2_OSD_DATA, 0, size); - } - if (saa->osdhead >= saa->osdtail) { - saa->osdhead = saa->osdtail = 0; - debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2); - } -} - -static irqreturn_t saa7146_irq(int irq, void *dev_id) -{ - struct saa7146 *saa = dev_id; - u32 stat, astat; - int count; - int handled = 0; - - count = 0; - while (1) { - /* get/clear interrupt status bits */ - stat = saaread(SAA7146_ISR); - astat = stat & saaread(SAA7146_IER); - if (!astat) - break; - handled = 1; - saawrite(astat, SAA7146_ISR); - if (astat & SAA7146_PSR_DEBI_S) { - do_irq_send_data(saa); - } - if (astat & SAA7146_PSR_PIN1) { - int istat; - /* the following read will trigger DEBI_S */ - istat = debiread(saa, debNormal, IBM_MP2_HOST_INT, 2); - if (istat & 1) { - saawrite(0, SAA7146_IER); - send_osd_data(saa); - saawrite(SAA7146_PSR_DEBI_S | - SAA7146_PSR_PIN1, SAA7146_IER); - } - if (istat & 0x20) { /* Video Start */ - saa->vidinfo.frame_count++; - } - if (istat & 0x400) { /* Picture Start */ - /* update temporal reference */ - } - if (istat & 0x200) { /* Picture Resolution Change */ - /* read new resolution */ - } - if (istat & 0x100) { /* New User Data found */ - /* read new user data */ - } - if (istat & 0x1000) { /* new GOP/SMPTE */ - /* read new SMPTE */ - } - if (istat & 0x8000) { /* Sequence Start Code */ - /* reset frame counter, load sizes */ - saa->vidinfo.frame_count = 0; - saa->vidinfo.h_size = 704; - saa->vidinfo.v_size = 480; -#if 0 - if (saa->endmarkhead != saa->endmarktail) { - saa->audhead = - saa->endmark[saa->endmarkhead]; - saa->endmarkhead++; - if (saa->endmarkhead >= MAX_MARKS) - saa->endmarkhead = 0; - } -#endif - } - if (istat & 0x4000) { /* Sequence Error Code */ - if (saa->endmarkhead != saa->endmarktail) { - saa->audhead = - saa->endmark[saa->endmarkhead]; - saa->endmarkhead++; - if (saa->endmarkhead >= MAX_MARKS) - saa->endmarkhead = 0; - } - } - } -#ifdef IDEBUG - if (astat & SAA7146_PSR_PPEF) { - IDEBUG(printk("stradis%d irq: PPEF\n", saa->nr)); - } - if (astat & SAA7146_PSR_PABO) { - IDEBUG(printk("stradis%d irq: PABO\n", saa->nr)); - } - if (astat & SAA7146_PSR_PPED) { - IDEBUG(printk("stradis%d irq: PPED\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_I1) { - IDEBUG(printk("stradis%d irq: RPS_I1\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_I0) { - IDEBUG(printk("stradis%d irq: RPS_I0\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_LATE1) { - IDEBUG(printk("stradis%d irq: RPS_LATE1\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_LATE0) { - IDEBUG(printk("stradis%d irq: RPS_LATE0\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_E1) { - IDEBUG(printk("stradis%d irq: RPS_E1\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_E0) { - IDEBUG(printk("stradis%d irq: RPS_E0\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_TO1) { - IDEBUG(printk("stradis%d irq: RPS_TO1\n", saa->nr)); - } - if (astat & SAA7146_PSR_RPS_TO0) { - IDEBUG(printk("stradis%d irq: RPS_TO0\n", saa->nr)); - } - if (astat & SAA7146_PSR_UPLD) { - IDEBUG(printk("stradis%d irq: UPLD\n", saa->nr)); - } - if (astat & SAA7146_PSR_DEBI_E) { - IDEBUG(printk("stradis%d irq: DEBI_E\n", saa->nr)); - } - if (astat & SAA7146_PSR_I2C_S) { - IDEBUG(printk("stradis%d irq: I2C_S\n", saa->nr)); - } - if (astat & SAA7146_PSR_I2C_E) { - IDEBUG(printk("stradis%d irq: I2C_E\n", saa->nr)); - } - if (astat & SAA7146_PSR_A2_IN) { - IDEBUG(printk("stradis%d irq: A2_IN\n", saa->nr)); - } - if (astat & SAA7146_PSR_A2_OUT) { - IDEBUG(printk("stradis%d irq: A2_OUT\n", saa->nr)); - } - if (astat & SAA7146_PSR_A1_IN) { - IDEBUG(printk("stradis%d irq: A1_IN\n", saa->nr)); - } - if (astat & SAA7146_PSR_A1_OUT) { - IDEBUG(printk("stradis%d irq: A1_OUT\n", saa->nr)); - } - if (astat & SAA7146_PSR_AFOU) { - IDEBUG(printk("stradis%d irq: AFOU\n", saa->nr)); - } - if (astat & SAA7146_PSR_V_PE) { - IDEBUG(printk("stradis%d irq: V_PE\n", saa->nr)); - } - if (astat & SAA7146_PSR_VFOU) { - IDEBUG(printk("stradis%d irq: VFOU\n", saa->nr)); - } - if (astat & SAA7146_PSR_FIDA) { - IDEBUG(printk("stradis%d irq: FIDA\n", saa->nr)); - } - if (astat & SAA7146_PSR_FIDB) { - IDEBUG(printk("stradis%d irq: FIDB\n", saa->nr)); - } - if (astat & SAA7146_PSR_PIN3) { - IDEBUG(printk("stradis%d irq: PIN3\n", saa->nr)); - } - if (astat & SAA7146_PSR_PIN2) { - IDEBUG(printk("stradis%d irq: PIN2\n", saa->nr)); - } - if (astat & SAA7146_PSR_PIN0) { - IDEBUG(printk("stradis%d irq: PIN0\n", saa->nr)); - } - if (astat & SAA7146_PSR_ECS) { - IDEBUG(printk("stradis%d irq: ECS\n", saa->nr)); - } - if (astat & SAA7146_PSR_EC3S) { - IDEBUG(printk("stradis%d irq: EC3S\n", saa->nr)); - } - if (astat & SAA7146_PSR_EC0S) { - IDEBUG(printk("stradis%d irq: EC0S\n", saa->nr)); - } -#endif - count++; - if (count > 15) - printk(KERN_WARNING "stradis%d: irq loop %d\n", - saa->nr, count); - if (count > 20) { - saawrite(0, SAA7146_IER); - printk(KERN_ERR - "stradis%d: IRQ loop cleared\n", saa->nr); - } - } - return IRQ_RETVAL(handled); -} - -static int ibm_send_command(struct saa7146 *saa, - int command, int data, int chain) -{ - int i; - - if (chain) - debiwrite(saa, debNormal, IBM_MP2_COMMAND, (command << 1)| 1,2); - else - debiwrite(saa, debNormal, IBM_MP2_COMMAND, command << 1, 2); - debiwrite(saa, debNormal, IBM_MP2_CMD_DATA, data, 2); - debiwrite(saa, debNormal, IBM_MP2_CMD_STAT, 1, 2); - for (i = 0; i < 100 && - (debiread(saa, debNormal, IBM_MP2_CMD_STAT, 2) & 1); i++) - schedule(); - if (i == 100) - return -1; - return 0; -} - -static void cs4341_setlevel(struct saa7146 *saa, int left, int right) -{ - I2CWrite(saa, 0x22, 0x03, left > 94 ? 94 : left, 2); - I2CWrite(saa, 0x22, 0x04, right > 94 ? 94 : right, 2); -} - -static void initialize_cs4341(struct saa7146 *saa) -{ - int i; - for (i = 0; i < 200; i++) { - /* auto mute off, power on, no de-emphasis */ - /* I2S data up to 24-bit 64xFs internal SCLK */ - I2CWrite(saa, 0x22, 0x01, 0x11, 2); - /* ATAPI mixer settings */ - I2CWrite(saa, 0x22, 0x02, 0x49, 2); - /* attenuation left 3db */ - I2CWrite(saa, 0x22, 0x03, 0x00, 2); - /* attenuation right 3db */ - I2CWrite(saa, 0x22, 0x04, 0x00, 2); - I2CWrite(saa, 0x22, 0x01, 0x10, 2); - if (I2CRead(saa, 0x22, 0x02, 1) == 0x49) - break; - schedule(); - } - printk("stradis%d: CS4341 initialized (%d)\n", saa->nr, i); - return; -} - -static void initialize_cs8420(struct saa7146 *saa, int pro) -{ - int i; - u8 *sequence; - if (pro) - sequence = mode8420pro; - else - sequence = mode8420con; - for (i = 0; i < INIT8420LEN; i++) - I2CWrite(saa, 0x20, init8420[i * 2], init8420[i * 2 + 1], 2); - for (i = 0; i < MODE8420LEN; i++) - I2CWrite(saa, 0x20, sequence[i * 2], sequence[i * 2 + 1], 2); - printk("stradis%d: CS8420 initialized\n", saa->nr); -} - -static void initialize_saa7121(struct saa7146 *saa, int dopal) -{ - int i, mod; - u8 *sequence; - if (dopal) - sequence = init7121pal; - else - sequence = init7121ntsc; - mod = saaread(SAA7146_PSR) & 0x08; - /* initialize PAL/NTSC video encoder */ - for (i = 0; i < INIT7121LEN; i++) { - if (NewCard) { /* handle new card encoder differences */ - if (sequence[i * 2] == 0x3a) - I2CWrite(saa, 0x88, 0x3a, 0x13, 2); - else if (sequence[i * 2] == 0x6b) - I2CWrite(saa, 0x88, 0x6b, 0x20, 2); - else if (sequence[i * 2] == 0x6c) - I2CWrite(saa, 0x88, 0x6c, - dopal ? 0x09 : 0xf5, 2); - else if (sequence[i * 2] == 0x6d) - I2CWrite(saa, 0x88, 0x6d, - dopal ? 0x20 : 0x00, 2); - else if (sequence[i * 2] == 0x7a) - I2CWrite(saa, 0x88, 0x7a, - dopal ? (PALFirstActive - 1) : - (NTSCFirstActive - 4), 2); - else if (sequence[i * 2] == 0x7b) - I2CWrite(saa, 0x88, 0x7b, - dopal ? PALLastActive : - NTSCLastActive, 2); - else - I2CWrite(saa, 0x88, sequence[i * 2], - sequence[i * 2 + 1], 2); - } else { - if (sequence[i * 2] == 0x6b && mod) - I2CWrite(saa, 0x88, 0x6b, - (sequence[i * 2 + 1] ^ 0x09), 2); - else if (sequence[i * 2] == 0x7a) - I2CWrite(saa, 0x88, 0x7a, - dopal ? (PALFirstActive - 1) : - (NTSCFirstActive - 4), 2); - else if (sequence[i * 2] == 0x7b) - I2CWrite(saa, 0x88, 0x7b, - dopal ? PALLastActive : - NTSCLastActive, 2); - else - I2CWrite(saa, 0x88, sequence[i * 2], - sequence[i * 2 + 1], 2); - } - } -} - -static void set_genlock_offset(struct saa7146 *saa, int noffset) -{ - int nCode; - int PixelsPerLine = 858; - if (CurrentMode == VIDEO_MODE_PAL) - PixelsPerLine = 864; - if (noffset > 500) - noffset = 500; - else if (noffset < -500) - noffset = -500; - nCode = noffset + 0x100; - if (nCode == 1) - nCode = 0x401; - else if (nCode < 1) - nCode = 0x400 + PixelsPerLine + nCode; - debiwrite(saa, debNormal, XILINX_GLDELAY, nCode, 2); -} - -static void set_out_format(struct saa7146 *saa, int mode) -{ - initialize_saa7121(saa, (mode == VIDEO_MODE_NTSC ? 0 : 1)); - saa->boardcfg[2] = mode; - /* do not adjust analog video parameters here, use saa7121 init */ - /* you will affect the SDI output on the new card */ - if (mode == VIDEO_MODE_PAL) { /* PAL */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x0808, 2); - mdelay(50); - saawrite(0x012002c0, SAA7146_NUM_LINE_BYTE1); - if (NewCard) { - debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, 0xe100, 2); - mdelay(50); - } - debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, - NewCard ? 0xe500 : 0x6500, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_DLY, - (1 << 8) | - (NewCard ? PALFirstActive : PALFirstActive - 6), 2); - } else { /* NTSC */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x0800, 2); - mdelay(50); - saawrite(0x00f002c0, SAA7146_NUM_LINE_BYTE1); - debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, - NewCard ? 0xe100 : 0x6100, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_DLY, - (1 << 8) | - (NewCard ? NTSCFirstActive : NTSCFirstActive - 6), 2); - } -} - -/* Intialize bitmangler to map from a byte value to the mangled word that - * must be output to program the Xilinx part through the DEBI port. - * Xilinx Data Bit->DEBI Bit: 0->15 1->7 2->6 3->12 4->11 5->2 6->1 7->0 - * transfer FPGA code, init IBM chip, transfer IBM microcode - * rev2 card mangles: 0->7 1->6 2->5 3->4 4->3 5->2 6->1 7->0 - */ -static u16 bitmangler[256]; - -static int initialize_fpga(struct video_code *bitdata) -{ - int i, num, startindex, failure = 0, loadtwo, loadfile = 0; - u16 *dmabuf; - u8 *newdma; - struct saa7146 *saa; - - /* verify fpga code */ - for (startindex = 0; startindex < bitdata->datasize; startindex++) - if (bitdata->data[startindex] == 255) - break; - if (startindex == bitdata->datasize) { - printk(KERN_INFO "stradis: bad fpga code\n"); - return -1; - } - /* initialize all detected cards */ - for (num = 0; num < saa_num; num++) { - saa = &saa7146s[num]; - if (saa->boardcfg[0] > 20) - continue; /* card was programmed */ - loadtwo = (saa->boardcfg[18] & 0x10); - if (!NewCard) /* we have an old board */ - for (i = 0; i < 256; i++) - bitmangler[i] = ((i & 0x01) << 15) | - ((i & 0x02) << 6) | ((i & 0x04) << 4) | - ((i & 0x08) << 9) | ((i & 0x10) << 7) | - ((i & 0x20) >> 3) | ((i & 0x40) >> 5) | - ((i & 0x80) >> 7); - else /* else we have a new board */ - for (i = 0; i < 256; i++) - bitmangler[i] = ((i & 0x01) << 7) | - ((i & 0x02) << 5) | ((i & 0x04) << 3) | - ((i & 0x08) << 1) | ((i & 0x10) >> 1) | - ((i & 0x20) >> 3) | ((i & 0x40) >> 5) | - ((i & 0x80) >> 7); - - dmabuf = (u16 *) saa->dmadebi; - newdma = (u8 *) saa->dmadebi; - if (NewCard) { /* SDM2xxx */ - if (!strncmp(bitdata->loadwhat, "decoder2", 8)) - continue; /* fpga not for this card */ - if (!strncmp(&saa->boardcfg[42], bitdata->loadwhat, 8)) - loadfile = 1; - else if (loadtwo && !strncmp(&saa->boardcfg[19], - bitdata->loadwhat, 8)) - loadfile = 2; - else if (!saa->boardcfg[42] && !strncmp("decxl", - bitdata->loadwhat, 8)) - loadfile = 1; /* special */ - else - continue; /* fpga not for this card */ - if (loadfile != 1 && loadfile != 2) - continue; /* skip to next card */ - if (saa->boardcfg[0] && loadfile == 1) - continue; /* skip to next card */ - if (saa->boardcfg[0] != 1 && loadfile == 2) - continue; /* skip to next card */ - saa->boardcfg[0]++; /* mark fpga handled */ - printk("stradis%d: loading %s\n", saa->nr, - bitdata->loadwhat); - if (loadtwo && loadfile == 2) - goto send_fpga_stuff; - /* turn on the Audio interface to set PROG low */ - saawrite(0x00400040, SAA7146_GPIO_CTRL); - saaread(SAA7146_PSR); /* ensure posted write */ - /* wait for everyone to reset */ - mdelay(10); - saawrite(0x00400000, SAA7146_GPIO_CTRL); - } else { /* original card */ - if (strncmp(bitdata->loadwhat, "decoder2", 8)) - continue; /* fpga not for this card */ - /* Pull the Xilinx PROG signal WS3 low */ - saawrite(0x02000200, SAA7146_MC1); - /* Turn on the Audio interface so can set PROG low */ - saawrite(0x000000c0, SAA7146_ACON1); - /* Pull the Xilinx INIT signal (GPIO2) low */ - saawrite(0x00400000, SAA7146_GPIO_CTRL); - /* Make sure everybody resets */ - saaread(SAA7146_PSR); /* ensure posted write */ - mdelay(10); - /* Release the Xilinx PROG signal */ - saawrite(0x00000000, SAA7146_ACON1); - /* Turn off the Audio interface */ - saawrite(0x02000000, SAA7146_MC1); - } - /* Release Xilinx INIT signal (WS2) */ - saawrite(0x00000000, SAA7146_GPIO_CTRL); - /* Wait for the INIT to go High */ - for (i = 0; - i < 10000 && !(saaread(SAA7146_PSR) & SAA7146_PSR_PIN2); - i++) - schedule(); - if (i == 1000) { - printk(KERN_INFO "stradis%d: no fpga INIT\n", saa->nr); - return -1; - } -send_fpga_stuff: - if (NewCard) { - for (i = startindex; i < bitdata->datasize; i++) - newdma[i - startindex] = - bitmangler[bitdata->data[i]]; - debiwrite(saa, 0x01420000, 0, 0, - ((bitdata->datasize - startindex) + 5)); - if (loadtwo && loadfile == 1) { - printk("stradis%d: awaiting 2nd FPGA bitfile\n", - saa->nr); - continue; /* skip to next card */ - } - } else { - for (i = startindex; i < bitdata->datasize; i++) - dmabuf[i - startindex] = - bitmangler[bitdata->data[i]]; - debiwrite(saa, 0x014a0000, 0, 0, - ((bitdata->datasize - startindex) + 5) * 2); - } - for (i = 0; - i < 1000 && !(saaread(SAA7146_PSR) & SAA7146_PSR_PIN2); - i++) - schedule(); - if (i == 1000) { - printk(KERN_INFO "stradis%d: FPGA load failed\n", - saa->nr); - failure++; - continue; - } - if (!NewCard) { - /* Pull the Xilinx INIT signal (GPIO2) low */ - saawrite(0x00400000, SAA7146_GPIO_CTRL); - saaread(SAA7146_PSR); /* ensure posted write */ - mdelay(2); - saawrite(0x00000000, SAA7146_GPIO_CTRL); - mdelay(2); - } - printk(KERN_INFO "stradis%d: FPGA Loaded\n", saa->nr); - saa->boardcfg[0] = 26; /* mark fpga programmed */ - /* set VXCO to its lowest frequency */ - debiwrite(saa, debNormal, XILINX_PWM, 0, 2); - if (NewCard) { - /* mute CS3310 */ - if (HaveCS3310) - debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, - 0, 2); - /* set VXCO to PWM mode, release reset, blank on */ - debiwrite(saa, debNormal, XILINX_CTL0, 0xffc4, 2); - mdelay(10); - /* unmute CS3310 */ - if (HaveCS3310) - debiwrite(saa, debNormal, XILINX_CTL0, - 0x2020, 2); - } - /* set source Black */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x1707, 2); - saa->boardcfg[4] = 22; /* set NTSC First Active Line */ - saa->boardcfg[5] = 23; /* set PAL First Active Line */ - saa->boardcfg[54] = 2; /* set NTSC Last Active Line - 256 */ - saa->boardcfg[55] = 54; /* set PAL Last Active Line - 256 */ - set_out_format(saa, VIDEO_MODE_NTSC); - mdelay(50); - /* begin IBM chip init */ - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 4, 2); - saaread(SAA7146_PSR); /* wait for reset */ - mdelay(5); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0, 2); - debiread(saa, debNormal, IBM_MP2_CHIP_CONTROL, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0x10, 2); - debiwrite(saa, debNormal, IBM_MP2_CMD_ADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_MODE, 0x2e, 2); - if (NewCard) { - mdelay(5); - /* set i2s rate converter to 48KHz */ - debiwrite(saa, debNormal, 0x80c0, 6, 2); - /* we must init CS8420 first since rev b pulls i2s */ - /* master clock low and CS4341 needs i2s master to */ - /* run the i2c port. */ - if (HaveCS8420) - /* 0=consumer, 1=pro */ - initialize_cs8420(saa, 0); - - mdelay(5); - if (HaveCS4341) - initialize_cs4341(saa); - } - debiwrite(saa, debNormal, IBM_MP2_INFC_CTL, 0x48, 2); - debiwrite(saa, debNormal, IBM_MP2_BEEP_CTL, 0xa000, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_LBOR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_TBOR, 0, 2); - if (NewCard) - set_genlock_offset(saa, 0); - debiwrite(saa, debNormal, IBM_MP2_FRNT_ATTEN, 0, 2); -#if 0 - /* enable genlock */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x8000, 2); -#else - /* disable genlock */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x8080, 2); -#endif - } - - return failure; -} - -static int do_ibm_reset(struct saa7146 *saa) -{ - /* failure if decoder not previously programmed */ - if (saa->boardcfg[0] < 37) - return -EIO; - /* mute CS3310 */ - if (HaveCS3310) - debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, 0, 2); - /* disable interrupts */ - saawrite(0, SAA7146_IER); - saa->audhead = saa->audtail = 0; - saa->vidhead = saa->vidtail = 0; - /* tristate debi bus, disable debi transfers */ - saawrite(0x00880000, SAA7146_MC1); - /* ensure posted write */ - saaread(SAA7146_MC1); - mdelay(50); - /* re-enable debi transfers */ - saawrite(0x00880088, SAA7146_MC1); - /* set source Black */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x1707, 2); - /* begin IBM chip init */ - set_out_format(saa, CurrentMode); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 4, 2); - saaread(SAA7146_PSR); /* wait for reset */ - mdelay(5); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0, 2); - debiread(saa, debNormal, IBM_MP2_CHIP_CONTROL, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, ChipControl, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_MODE, 0x2e, 2); - if (NewCard) { - mdelay(5); - /* set i2s rate converter to 48KHz */ - debiwrite(saa, debNormal, 0x80c0, 6, 2); - /* we must init CS8420 first since rev b pulls i2s */ - /* master clock low and CS4341 needs i2s master to */ - /* run the i2c port. */ - if (HaveCS8420) - /* 0=consumer, 1=pro */ - initialize_cs8420(saa, 1); - - mdelay(5); - if (HaveCS4341) - initialize_cs4341(saa); - } - debiwrite(saa, debNormal, IBM_MP2_INFC_CTL, 0x48, 2); - debiwrite(saa, debNormal, IBM_MP2_BEEP_CTL, 0xa000, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_LBOR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_TBOR, 0, 2); - if (NewCard) - set_genlock_offset(saa, 0); - debiwrite(saa, debNormal, IBM_MP2_FRNT_ATTEN, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0x2000, 2); - debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4552, 2); - if (ibm_send_command(saa, IBM_MP2_CONFIG_DECODER, - (ChipControl == 0x43 ? 0xe800 : 0xe000), 1)) { - printk(KERN_ERR "stradis%d: IBM config failed\n", saa->nr); - } - if (HaveCS3310) { - int i = CS3310MaxLvl; - debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, ((i << 8)| i),2); - } - /* start video decoder */ - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, ChipControl, 2); - /* 256k vid, 3520 bytes aud */ - debiwrite(saa, debNormal, IBM_MP2_RB_THRESHOLD, 0x4037, 2); - debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4573, 2); - ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); - /* enable buffer threshold irq */ - debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2); - /* clear pending interrupts */ - debiread(saa, debNormal, IBM_MP2_HOST_INT, 2); - debiwrite(saa, debNormal, XILINX_CTL0, 0x1711, 2); - - return 0; -} - -/* load the decoder microcode */ -static int initialize_ibmmpeg2(struct video_code *microcode) -{ - int i, num; - struct saa7146 *saa; - - for (num = 0; num < saa_num; num++) { - saa = &saa7146s[num]; - /* check that FPGA is loaded */ - debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0xa55a, 2); - i = debiread(saa, debNormal, IBM_MP2_OSD_SIZE, 2); - if (i != 0xa55a) { - printk(KERN_INFO "stradis%d: %04x != 0xa55a\n", - saa->nr, i); -#if 0 - return -1; -#endif - } - if (!strncmp(microcode->loadwhat, "decoder.vid", 11)) { - if (saa->boardcfg[0] > 27) - continue; /* skip to next card */ - /* load video control store */ - saa->boardcfg[1] = 0x13; /* no-sync default */ - debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 1, 2); - debiwrite(saa, debNormal, IBM_MP2_PROC_IADDR, 0, 2); - for (i = 0; i < microcode->datasize / 2; i++) - debiwrite(saa, debNormal, IBM_MP2_PROC_IDATA, - (microcode->data[i * 2] << 8) | - microcode->data[i * 2 + 1], 2); - debiwrite(saa, debNormal, IBM_MP2_PROC_IADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, - ChipControl, 2); - saa->boardcfg[0] = 28; - } - if (!strncmp(microcode->loadwhat, "decoder.aud", 11)) { - if (saa->boardcfg[0] > 35) - continue; /* skip to next card */ - /* load audio control store */ - debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 1, 2); - debiwrite(saa, debNormal, IBM_MP2_AUD_IADDR, 0, 2); - for (i = 0; i < microcode->datasize; i++) - debiwrite(saa, debNormal, IBM_MP2_AUD_IDATA, - microcode->data[i], 1); - debiwrite(saa, debNormal, IBM_MP2_AUD_IADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0x2000, 2); - debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4552, 2); - if (ibm_send_command(saa, IBM_MP2_CONFIG_DECODER, - 0xe000, 1)) { - printk(KERN_ERR "stradis%d: IBM config " - "failed\n", saa->nr); - return -1; - } - /* set PWM to center value */ - if (NewCard) { - debiwrite(saa, debNormal, XILINX_PWM, - saa->boardcfg[14] + - (saa->boardcfg[13] << 8), 2); - } else - debiwrite(saa, debNormal, XILINX_PWM, 0x46, 2); - - if (HaveCS3310) { - i = CS3310MaxLvl; - debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, - (i << 8) | i, 2); - } - printk(KERN_INFO "stradis%d: IBM MPEGCD%d Inited\n", - saa->nr, 18 + (debiread(saa, debNormal, - IBM_MP2_CHIP_CONTROL, 2) >> 12)); - /* start video decoder */ - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, - ChipControl, 2); - debiwrite(saa, debNormal, IBM_MP2_RB_THRESHOLD, 0x4037, - 2); /* 256k vid, 3520 bytes aud */ - debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4573, 2); - ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); - /* enable buffer threshold irq */ - debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2); - debiread(saa, debNormal, IBM_MP2_HOST_INT, 2); - /* enable gpio irq */ - saawrite(0x00002000, SAA7146_GPIO_CTRL); - /* enable decoder output to HPS */ - debiwrite(saa, debNormal, XILINX_CTL0, 0x1711, 2); - saa->boardcfg[0] = 37; - } - } - - return 0; -} - -static u32 palette2fmt[] = { /* some of these YUV translations are wrong */ - 0xffffffff, 0x86000000, 0x87000000, 0x80000000, 0x8100000, 0x82000000, - 0x83000000, 0x00000000, 0x03000000, 0x03000000, 0x0a00000, 0x03000000, - 0x06000000, 0x00000000, 0x03000000, 0x0a000000, 0x0300000 -}; -static int bpp2fmt[4] = { - VIDEO_PALETTE_HI240, VIDEO_PALETTE_RGB565, VIDEO_PALETTE_RGB24, - VIDEO_PALETTE_RGB32 -}; - -/* I wish I could find a formula to calculate these... */ -static u32 h_prescale[64] = { - 0x10000000, 0x18040202, 0x18080000, 0x380c0606, 0x38100204, 0x38140808, - 0x38180000, 0x381c0000, 0x3820161c, 0x38242a3b, 0x38281230, 0x382c4460, - 0x38301040, 0x38340080, 0x38380000, 0x383c0000, 0x3840fefe, 0x3844ee9f, - 0x3848ee9f, 0x384cee9f, 0x3850ee9f, 0x38542a3b, 0x38581230, 0x385c0000, - 0x38600000, 0x38640000, 0x38680000, 0x386c0000, 0x38700000, 0x38740000, - 0x38780000, 0x387c0000, 0x30800000, 0x38840000, 0x38880000, 0x388c0000, - 0x38900000, 0x38940000, 0x38980000, 0x389c0000, 0x38a00000, 0x38a40000, - 0x38a80000, 0x38ac0000, 0x38b00000, 0x38b40000, 0x38b80000, 0x38bc0000, - 0x38c00000, 0x38c40000, 0x38c80000, 0x38cc0000, 0x38d00000, 0x38d40000, - 0x38d80000, 0x38dc0000, 0x38e00000, 0x38e40000, 0x38e80000, 0x38ec0000, - 0x38f00000, 0x38f40000, 0x38f80000, 0x38fc0000, -}; -static u32 v_gain[64] = { - 0x016000ff, 0x016100ff, 0x016100ff, 0x016200ff, 0x016200ff, 0x016200ff, - 0x016200ff, 0x016300ff, 0x016300ff, 0x016300ff, 0x016300ff, 0x016300ff, - 0x016300ff, 0x016300ff, 0x016300ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, - 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, -}; - -static void saa7146_set_winsize(struct saa7146 *saa) -{ - u32 format; - int offset, yacl, ysci; - saa->win.color_fmt = format = - (saa->win.depth == 15) ? palette2fmt[VIDEO_PALETTE_RGB555] : - palette2fmt[bpp2fmt[(saa->win.bpp - 1) & 3]]; - offset = saa->win.x * saa->win.bpp + saa->win.y * saa->win.bpl; - saawrite(saa->win.vidadr + offset, SAA7146_BASE_EVEN1); - saawrite(saa->win.vidadr + offset + saa->win.bpl, SAA7146_BASE_ODD1); - saawrite(saa->win.bpl * 2, SAA7146_PITCH1); - saawrite(saa->win.vidadr + saa->win.bpl * saa->win.sheight, - SAA7146_PROT_ADDR1); - saawrite(0, SAA7146_PAGE1); - saawrite(format | 0x60, SAA7146_CLIP_FORMAT_CTRL); - offset = (704 / (saa->win.width - 1)) & 0x3f; - saawrite(h_prescale[offset], SAA7146_HPS_H_PRESCALE); - offset = (720896 / saa->win.width) / (offset + 1); - saawrite((offset << 12) | 0x0c, SAA7146_HPS_H_SCALE); - if (CurrentMode == VIDEO_MODE_NTSC) { - yacl = /*(480 / saa->win.height - 1) & 0x3f */ 0; - ysci = 1024 - (saa->win.height * 1024 / 480); - } else { - yacl = /*(576 / saa->win.height - 1) & 0x3f */ 0; - ysci = 1024 - (saa->win.height * 1024 / 576); - } - saawrite((1 << 31) | (ysci << 21) | (yacl << 15), SAA7146_HPS_V_SCALE); - saawrite(v_gain[yacl], SAA7146_HPS_V_GAIN); - saawrite(((SAA7146_MC2_UPLD_DMA1 | SAA7146_MC2_UPLD_HPS_V | - SAA7146_MC2_UPLD_HPS_H) << 16) | (SAA7146_MC2_UPLD_DMA1 | - SAA7146_MC2_UPLD_HPS_V | SAA7146_MC2_UPLD_HPS_H), SAA7146_MC2); -} - -/* clip_draw_rectangle(cm,x,y,w,h) -- handle clipping an area - * bitmap is fixed width, 128 bytes (1024 pixels represented) - * arranged most-sigificant-bit-left in 32-bit words - * based on saa7146 clipping hardware, it swaps bytes if LE - * much of this makes up for egcs brain damage -- so if you - * are wondering "why did he do this?" it is because the C - * was adjusted to generate the optimal asm output without - * writing non-portable __asm__ directives. - */ - -static void clip_draw_rectangle(u32 *clipmap, int x, int y, int w, int h) -{ - register int startword, endword; - register u32 bitsleft, bitsright; - u32 *temp; - if (x < 0) { - w += x; - x = 0; - } - if (y < 0) { - h += y; - y = 0; - } - if (w <= 0 || h <= 0 || x > 1023 || y > 639) - return; /* throw away bad clips */ - if (x + w > 1024) - w = 1024 - x; - if (y + h > 640) - h = 640 - y; - startword = (x >> 5); - endword = ((x + w) >> 5); - bitsleft = (0xffffffff >> (x & 31)); - bitsright = (0xffffffff << (~((x + w) - (endword << 5)))); - temp = &clipmap[(y << 5) + startword]; - w = endword - startword; - if (!w) { - bitsleft |= bitsright; - for (y = 0; y < h; y++) { - *temp |= bitsleft; - temp += 32; - } - } else { - for (y = 0; y < h; y++) { - *temp++ |= bitsleft; - for (x = 1; x < w; x++) - *temp++ = 0xffffffff; - *temp |= bitsright; - temp += (32 - w); - } - } -} - -static void make_clip_tab(struct saa7146 *saa, struct video_clip *cr, int ncr) -{ - int i, width, height; - u32 *clipmap; - - clipmap = saa->dmavid2; - if ((width = saa->win.width) > 1023) - width = 1023; /* sanity check */ - if ((height = saa->win.height) > 640) - height = 639; /* sanity check */ - if (ncr > 0) { /* rectangles pased */ - /* convert rectangular clips to a bitmap */ - memset(clipmap, 0, VIDEO_CLIPMAP_SIZE); /* clear map */ - for (i = 0; i < ncr; i++) - clip_draw_rectangle(clipmap, cr[i].x, cr[i].y, - cr[i].width, cr[i].height); - } - /* clip against viewing window AND screen - so we do not have to rely on the user program - */ - clip_draw_rectangle(clipmap, (saa->win.x + width > saa->win.swidth) ? - (saa->win.swidth - saa->win.x) : width, 0, 1024, 768); - clip_draw_rectangle(clipmap, 0, - (saa->win.y + height > saa->win.sheight) ? - (saa->win.sheight - saa->win.y) : height, 1024, 768); - if (saa->win.x < 0) - clip_draw_rectangle(clipmap, 0, 0, -saa->win.x, 768); - if (saa->win.y < 0) - clip_draw_rectangle(clipmap, 0, 0, 1024, -saa->win.y); -} - -static long saa_ioctl(struct file *file, - unsigned int cmd, unsigned long argl) -{ - struct saa7146 *saa = file->private_data; - void __user *arg = (void __user *)argl; - - switch (cmd) { - case VIDIOCGCAP: - { - struct video_capability b; - memset(&b, 0, sizeof(b)); - strcpy(b.name, saa->video_dev.name); - b.type = VID_TYPE_CAPTURE | VID_TYPE_OVERLAY | - VID_TYPE_CLIPPING | VID_TYPE_FRAMERAM | - VID_TYPE_SCALES; - b.channels = 1; - b.audios = 1; - b.maxwidth = 768; - b.maxheight = 576; - b.minwidth = 32; - b.minheight = 32; - if (copy_to_user(arg, &b, sizeof(b))) - return -EFAULT; - return 0; - } - case VIDIOCGPICT: - { - struct video_picture p = saa->picture; - if (saa->win.depth == 8) - p.palette = VIDEO_PALETTE_HI240; - if (saa->win.depth == 15) - p.palette = VIDEO_PALETTE_RGB555; - if (saa->win.depth == 16) - p.palette = VIDEO_PALETTE_RGB565; - if (saa->win.depth == 24) - p.palette = VIDEO_PALETTE_RGB24; - if (saa->win.depth == 32) - p.palette = VIDEO_PALETTE_RGB32; - if (copy_to_user(arg, &p, sizeof(p))) - return -EFAULT; - return 0; - } - case VIDIOCSPICT: - { - struct video_picture p; - u32 format; - if (copy_from_user(&p, arg, sizeof(p))) - return -EFAULT; - if (p.palette < ARRAY_SIZE(palette2fmt)) { - format = palette2fmt[p.palette]; - saa->win.color_fmt = format; - saawrite(format | 0x60, - SAA7146_CLIP_FORMAT_CTRL); - } - saawrite(((p.brightness & 0xff00) << 16) | - ((p.contrast & 0xfe00) << 7) | - ((p.colour & 0xfe00) >> 9), SAA7146_BCS_CTRL); - saa->picture = p; - /* upload changed registers */ - saawrite(((SAA7146_MC2_UPLD_HPS_H | - SAA7146_MC2_UPLD_HPS_V) << 16) | - SAA7146_MC2_UPLD_HPS_H | - SAA7146_MC2_UPLD_HPS_V, SAA7146_MC2); - return 0; - } - case VIDIOCSWIN: - { - struct video_window vw; - struct video_clip *vcp = NULL; - - if (copy_from_user(&vw, arg, sizeof(vw))) - return -EFAULT; - - /* stop capture */ - if (vw.flags || vw.width < 16 || vw.height < 16) { - saawrite((SAA7146_MC1_TR_E_1 << 16), - SAA7146_MC1); - return -EINVAL; - } - /* 32-bit align start and adjust width */ - if (saa->win.bpp < 4) { - int i = vw.x; - vw.x = (vw.x + 3) & ~3; - i = vw.x - i; - vw.width -= i; - } - saa->win.x = vw.x; - saa->win.y = vw.y; - saa->win.width = vw.width; - if (saa->win.width > 768) - saa->win.width = 768; - saa->win.height = vw.height; - if (CurrentMode == VIDEO_MODE_NTSC) { - if (saa->win.height > 480) - saa->win.height = 480; - } else { - if (saa->win.height > 576) - saa->win.height = 576; - } - - /* stop capture */ - saawrite((SAA7146_MC1_TR_E_1 << 16), SAA7146_MC1); - saa7146_set_winsize(saa); - - /* - * Do any clips. - */ - if (vw.clipcount < 0) { - if (copy_from_user(saa->dmavid2, vw.clips, - VIDEO_CLIPMAP_SIZE)) - return -EFAULT; - } else if (vw.clipcount > 16384) { - return -EINVAL; - } else if (vw.clipcount > 0) { - vcp = vmalloc(sizeof(struct video_clip) * - vw.clipcount); - if (vcp == NULL) - return -ENOMEM; - if (copy_from_user(vcp, vw.clips, - sizeof(struct video_clip) * - vw.clipcount)) { - vfree(vcp); - return -EFAULT; - } - } else /* nothing clipped */ - memset(saa->dmavid2, 0, VIDEO_CLIPMAP_SIZE); - - make_clip_tab(saa, vcp, vw.clipcount); - if (vw.clipcount > 0) - vfree(vcp); - - /* start capture & clip dma if we have an address */ - if ((saa->cap & 3) && saa->win.vidadr != 0) - saawrite(((SAA7146_MC1_TR_E_1 | - SAA7146_MC1_TR_E_2) << 16) | 0xffff, - SAA7146_MC1); - return 0; - } - case VIDIOCGWIN: - { - struct video_window vw; - memset(&vw, 0, sizeof(vw)); - vw.x = saa->win.x; - vw.y = saa->win.y; - vw.width = saa->win.width; - vw.height = saa->win.height; - vw.chromakey = 0; - vw.flags = 0; - if (copy_to_user(arg, &vw, sizeof(vw))) - return -EFAULT; - return 0; - } - case VIDIOCCAPTURE: - { - int v; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if (v == 0) { - saa->cap &= ~1; - saawrite((SAA7146_MC1_TR_E_1 << 16), - SAA7146_MC1); - } else { - if (saa->win.vidadr == 0 || saa->win.width == 0 - || saa->win.height == 0) - return -EINVAL; - saa->cap |= 1; - saawrite((SAA7146_MC1_TR_E_1 << 16) | 0xffff, - SAA7146_MC1); - } - return 0; - } - case VIDIOCGFBUF: - { - struct video_buffer v; - memset(&v, 0, sizeof(v)); - v.base = (void *)saa->win.vidadr; - v.height = saa->win.sheight; - v.width = saa->win.swidth; - v.depth = saa->win.depth; - v.bytesperline = saa->win.bpl; - if (copy_to_user(arg, &v, sizeof(v))) - return -EFAULT; - return 0; - - } - case VIDIOCSFBUF: - { - struct video_buffer v; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if (v.depth != 8 && v.depth != 15 && v.depth != 16 && - v.depth != 24 && v.depth != 32 && v.width > 16 && - v.height > 16 && v.bytesperline > 16) - return -EINVAL; - if (v.base) - saa->win.vidadr = (unsigned long)v.base; - saa->win.sheight = v.height; - saa->win.swidth = v.width; - saa->win.bpp = ((v.depth + 7) & 0x38) / 8; - saa->win.depth = v.depth; - saa->win.bpl = v.bytesperline; - - DEBUG(printk("Display at %p is %d by %d, bytedepth %d, " - "bpl %d\n", v.base, v.width, v.height, - saa->win.bpp, saa->win.bpl)); - saa7146_set_winsize(saa); - return 0; - } - case VIDIOCKEY: - { - /* Will be handled higher up .. */ - return 0; - } - - case VIDIOCGAUDIO: - { - struct video_audio v; - memset(&v, 0, sizeof(v)); - v = saa->audio_dev; - v.flags &= ~(VIDEO_AUDIO_MUTE | VIDEO_AUDIO_MUTABLE); - v.flags |= VIDEO_AUDIO_MUTABLE | VIDEO_AUDIO_VOLUME; - strcpy(v.name, "MPEG"); - v.mode = VIDEO_SOUND_STEREO; - if (copy_to_user(arg, &v, sizeof(v))) - return -EFAULT; - return 0; - } - case VIDIOCSAUDIO: - { - struct video_audio v; - int i; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - i = (~(v.volume >> 8)) & 0xff; - if (!HaveCS4341) { - if (v.flags & VIDEO_AUDIO_MUTE) - debiwrite(saa, debNormal, - IBM_MP2_FRNT_ATTEN, 0xffff, 2); - if (!(v.flags & VIDEO_AUDIO_MUTE)) - debiwrite(saa, debNormal, - IBM_MP2_FRNT_ATTEN, 0x0000, 2); - if (v.flags & VIDEO_AUDIO_VOLUME) - debiwrite(saa, debNormal, - IBM_MP2_FRNT_ATTEN, - (i << 8) | i, 2); - } else { - if (v.flags & VIDEO_AUDIO_MUTE) - cs4341_setlevel(saa, 0xff, 0xff); - if (!(v.flags & VIDEO_AUDIO_MUTE)) - cs4341_setlevel(saa, 0, 0); - if (v.flags & VIDEO_AUDIO_VOLUME) - cs4341_setlevel(saa, i, i); - } - saa->audio_dev = v; - return 0; - } - - case VIDIOCGUNIT: - { - struct video_unit vu; - memset(&vu, 0, sizeof(vu)); - vu.video = saa->video_dev.minor; - vu.vbi = VIDEO_NO_UNIT; - vu.radio = VIDEO_NO_UNIT; - vu.audio = VIDEO_NO_UNIT; - vu.teletext = VIDEO_NO_UNIT; - if (copy_to_user(arg, &vu, sizeof(vu))) - return -EFAULT; - return 0; - } - case VIDIOCSPLAYMODE: - { - struct video_play_mode pmode; - if (copy_from_user((void *)&pmode, arg, - sizeof(struct video_play_mode))) - return -EFAULT; - switch (pmode.mode) { - case VID_PLAY_VID_OUT_MODE: - if (pmode.p1 != VIDEO_MODE_NTSC && - pmode.p1 != VIDEO_MODE_PAL) - return -EINVAL; - set_out_format(saa, pmode.p1); - return 0; - case VID_PLAY_GENLOCK: - debiwrite(saa, debNormal, XILINX_CTL0, - pmode.p1 ? 0x8000 : 0x8080, 2); - if (NewCard) - set_genlock_offset(saa, pmode.p2); - return 0; - case VID_PLAY_NORMAL: - debiwrite(saa, debNormal, - IBM_MP2_CHIP_CONTROL, ChipControl, 2); - ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_PAUSE: - /* IBM removed the PAUSE command */ - /* they say use SINGLE_FRAME now */ - case VID_PLAY_SINGLE_FRAME: - ibm_send_command(saa, IBM_MP2_SINGLE_FRAME,0,0); - if (saa->playmode == pmode.mode) { - debiwrite(saa, debNormal, - IBM_MP2_CHIP_CONTROL, - ChipControl, 2); - } - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_FAST_FORWARD: - ibm_send_command(saa, IBM_MP2_FAST_FORWARD,0,0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_SLOW_MOTION: - ibm_send_command(saa, IBM_MP2_SLOW_MOTION, - pmode.p1, 0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_IMMEDIATE_NORMAL: - /* ensure transfers resume */ - debiwrite(saa, debNormal, - IBM_MP2_CHIP_CONTROL, ChipControl, 2); - ibm_send_command(saa, IBM_MP2_IMED_NORM_PLAY, - 0, 0); - saa->playmode = VID_PLAY_NORMAL; - return 0; - case VID_PLAY_SWITCH_CHANNELS: - saa->audhead = saa->audtail = 0; - saa->vidhead = saa->vidtail = 0; - ibm_send_command(saa, IBM_MP2_FREEZE_FRAME,0,1); - ibm_send_command(saa, IBM_MP2_RESET_AUD_RATE, - 0, 1); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, - 0, 2); - ibm_send_command(saa, IBM_MP2_CHANNEL_SWITCH, - 0, 1); - debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, - ChipControl, 2); - ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); - saa->playmode = VID_PLAY_NORMAL; - return 0; - case VID_PLAY_FREEZE_FRAME: - ibm_send_command(saa, IBM_MP2_FREEZE_FRAME,0,0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_STILL_MODE: - ibm_send_command(saa, IBM_MP2_SET_STILL_MODE, - 0, 0); - saa->playmode = pmode.mode; - return 0; - case VID_PLAY_MASTER_MODE: - if (pmode.p1 == VID_PLAY_MASTER_NONE) - saa->boardcfg[1] = 0x13; - else if (pmode.p1 == VID_PLAY_MASTER_VIDEO) - saa->boardcfg[1] = 0x23; - else if (pmode.p1 == VID_PLAY_MASTER_AUDIO) - saa->boardcfg[1] = 0x43; - else - return -EINVAL; - debiwrite(saa, debNormal, - IBM_MP2_CHIP_CONTROL, ChipControl, 2); - return 0; - case VID_PLAY_ACTIVE_SCANLINES: - if (CurrentMode == VIDEO_MODE_PAL) { - if (pmode.p1 < 1 || pmode.p2 > 625) - return -EINVAL; - saa->boardcfg[5] = pmode.p1; - saa->boardcfg[55] = (pmode.p1 + - (pmode.p2 / 2) - 1) & 0xff; - } else { - if (pmode.p1 < 4 || pmode.p2 > 525) - return -EINVAL; - saa->boardcfg[4] = pmode.p1; - saa->boardcfg[54] = (pmode.p1 + - (pmode.p2 / 2) - 4) & 0xff; - } - set_out_format(saa, CurrentMode); - case VID_PLAY_RESET: - return do_ibm_reset(saa); - case VID_PLAY_END_MARK: - if (saa->endmarktail < saa->endmarkhead) { - if (saa->endmarkhead - - saa->endmarktail < 2) - return -ENOSPC; - } else if (saa->endmarkhead <=saa->endmarktail){ - if (saa->endmarktail - saa->endmarkhead - > (MAX_MARKS - 2)) - return -ENOSPC; - } else - return -ENOSPC; - saa->endmark[saa->endmarktail] = saa->audtail; - saa->endmarktail++; - if (saa->endmarktail >= MAX_MARKS) - saa->endmarktail = 0; - } - return -EINVAL; - } - case VIDIOCSWRITEMODE: - { - int mode; - if (copy_from_user((void *)&mode, arg, sizeof(int))) - return -EFAULT; - if (mode == VID_WRITE_MPEG_AUD || - mode == VID_WRITE_MPEG_VID || - mode == VID_WRITE_CC || - mode == VID_WRITE_TTX || - mode == VID_WRITE_OSD) { - saa->writemode = mode; - return 0; - } - return -EINVAL; - } - case VIDIOCSMICROCODE: - { - struct video_code ucode; - __u8 *udata; - int i; - if (copy_from_user(&ucode, arg, sizeof(ucode))) - return -EFAULT; - if (ucode.datasize > 65536 || ucode.datasize < 1024 || - strncmp(ucode.loadwhat, "dec", 3)) - return -EINVAL; - if ((udata = vmalloc(ucode.datasize)) == NULL) - return -ENOMEM; - if (copy_from_user(udata, ucode.data, ucode.datasize)) { - vfree(udata); - return -EFAULT; - } - ucode.data = udata; - if (!strncmp(ucode.loadwhat, "decoder.aud", 11) || - !strncmp(ucode.loadwhat, "decoder.vid", 11)) - i = initialize_ibmmpeg2(&ucode); - else - i = initialize_fpga(&ucode); - vfree(udata); - if (i) - return -EINVAL; - return 0; - - } - case VIDIOCGCHAN: /* this makes xawtv happy */ - { - struct video_channel v; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - v.flags = VIDEO_VC_AUDIO; - v.tuners = 0; - v.type = VID_TYPE_MPEG_DECODER; - v.norm = CurrentMode; - strcpy(v.name, "MPEG2"); - if (copy_to_user(arg, &v, sizeof(v))) - return -EFAULT; - return 0; - } - case VIDIOCSCHAN: /* this makes xawtv happy */ - { - struct video_channel v; - if (copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - /* do nothing */ - return 0; - } - default: - return -ENOIOCTLCMD; - } - return 0; -} - -static int saa_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct saa7146 *saa = file->private_data; - printk(KERN_DEBUG "stradis%d: saa_mmap called\n", saa->nr); - return -EINVAL; -} - -static ssize_t saa_read(struct file *file, char __user * buf, - size_t count, loff_t * ppos) -{ - return -EINVAL; -} - -static ssize_t saa_write(struct file *file, const char __user * buf, - size_t count, loff_t * ppos) -{ - struct saa7146 *saa = file->private_data; - unsigned long todo = count; - int blocksize, split; - unsigned long flags; - - while (todo > 0) { - if (saa->writemode == VID_WRITE_MPEG_AUD) { - spin_lock_irqsave(&saa->lock, flags); - if (saa->audhead <= saa->audtail) - blocksize = 65536 - - (saa->audtail - saa->audhead); - else - blocksize = saa->audhead - saa->audtail; - spin_unlock_irqrestore(&saa->lock, flags); - if (blocksize < 16384) { - saawrite(SAA7146_PSR_DEBI_S | - SAA7146_PSR_PIN1, SAA7146_IER); - saawrite(SAA7146_PSR_PIN1, SAA7146_PSR); - /* wait for buffer space to open */ - interruptible_sleep_on(&saa->audq); - } - spin_lock_irqsave(&saa->lock, flags); - if (saa->audhead <= saa->audtail) { - blocksize = 65536 - - (saa->audtail - saa->audhead); - split = 65536 - saa->audtail; - } else { - blocksize = saa->audhead - saa->audtail; - split = 65536; - } - spin_unlock_irqrestore(&saa->lock, flags); - blocksize--; - if (blocksize > todo) - blocksize = todo; - /* double check that we really have space */ - if (!blocksize) - return -ENOSPC; - if (split < blocksize) { - if (copy_from_user(saa->audbuf + - saa->audtail, buf, split)) - return -EFAULT; - buf += split; - todo -= split; - blocksize -= split; - saa->audtail = 0; - } - if (copy_from_user(saa->audbuf + saa->audtail, buf, - blocksize)) - return -EFAULT; - saa->audtail += blocksize; - todo -= blocksize; - buf += blocksize; - saa->audtail &= 0xffff; - } else if (saa->writemode == VID_WRITE_MPEG_VID) { - spin_lock_irqsave(&saa->lock, flags); - if (saa->vidhead <= saa->vidtail) - blocksize = 524288 - - (saa->vidtail - saa->vidhead); - else - blocksize = saa->vidhead - saa->vidtail; - spin_unlock_irqrestore(&saa->lock, flags); - if (blocksize < 65536) { - saawrite(SAA7146_PSR_DEBI_S | - SAA7146_PSR_PIN1, SAA7146_IER); - saawrite(SAA7146_PSR_PIN1, SAA7146_PSR); - /* wait for buffer space to open */ - interruptible_sleep_on(&saa->vidq); - } - spin_lock_irqsave(&saa->lock, flags); - if (saa->vidhead <= saa->vidtail) { - blocksize = 524288 - - (saa->vidtail - saa->vidhead); - split = 524288 - saa->vidtail; - } else { - blocksize = saa->vidhead - saa->vidtail; - split = 524288; - } - spin_unlock_irqrestore(&saa->lock, flags); - blocksize--; - if (blocksize > todo) - blocksize = todo; - /* double check that we really have space */ - if (!blocksize) - return -ENOSPC; - if (split < blocksize) { - if (copy_from_user(saa->vidbuf + - saa->vidtail, buf, split)) - return -EFAULT; - buf += split; - todo -= split; - blocksize -= split; - saa->vidtail = 0; - } - if (copy_from_user(saa->vidbuf + saa->vidtail, buf, - blocksize)) - return -EFAULT; - saa->vidtail += blocksize; - todo -= blocksize; - buf += blocksize; - saa->vidtail &= 0x7ffff; - } else if (saa->writemode == VID_WRITE_OSD) { - if (count > 131072) - return -ENOSPC; - if (copy_from_user(saa->osdbuf, buf, count)) - return -EFAULT; - buf += count; - saa->osdhead = 0; - saa->osdtail = count; - debiwrite(saa, debNormal, IBM_MP2_OSD_ADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_OSD_LINK_ADDR, 0, 2); - debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00d, 2); - debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, - debiread(saa, debNormal, - IBM_MP2_DISP_MODE, 2) | 1, 2); - /* trigger osd data transfer */ - saawrite(SAA7146_PSR_DEBI_S | - SAA7146_PSR_PIN1, SAA7146_IER); - saawrite(SAA7146_PSR_PIN1, SAA7146_PSR); - } - } - return count; -} - -static int saa_open(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - struct saa7146 *saa = container_of(vdev, struct saa7146, video_dev); - - lock_kernel(); - file->private_data = saa; - - saa->user++; - if (saa->user > 1) { - saa->user--; - unlock_kernel(); - return 0; /* device open already, don't reset */ - } - saa->writemode = VID_WRITE_MPEG_VID; /* default to video */ - unlock_kernel(); - return 0; -} - -static int saa_release(struct file *file) -{ - struct saa7146 *saa = file->private_data; - saa->user--; - - if (saa->user > 0) /* still someone using device */ - return 0; - saawrite(0x007f0000, SAA7146_MC1); /* stop all overlay dma */ - return 0; -} - -static const struct v4l2_file_operations saa_fops = { - .owner = THIS_MODULE, - .open = saa_open, - .release = saa_release, - .ioctl = saa_ioctl, - .read = saa_read, - .write = saa_write, - .mmap = saa_mmap, -}; - -/* template for video_device-structure */ -static struct video_device saa_template = { - .name = "SAA7146A", - .fops = &saa_fops, - .release = video_device_release_empty, -}; - -static int __devinit configure_saa7146(struct pci_dev *pdev, int num) -{ - int retval; - struct saa7146 *saa = pci_get_drvdata(pdev); - - saa->endmarkhead = saa->endmarktail = 0; - saa->win.x = saa->win.y = 0; - saa->win.width = saa->win.cropwidth = 720; - saa->win.height = saa->win.cropheight = 480; - saa->win.cropx = saa->win.cropy = 0; - saa->win.bpp = 2; - saa->win.depth = 16; - saa->win.color_fmt = palette2fmt[VIDEO_PALETTE_RGB565]; - saa->win.bpl = 1024 * saa->win.bpp; - saa->win.swidth = 1024; - saa->win.sheight = 768; - saa->picture.brightness = 32768; - saa->picture.contrast = 38768; - saa->picture.colour = 32768; - saa->cap = 0; - saa->nr = num; - saa->playmode = VID_PLAY_NORMAL; - memset(saa->boardcfg, 0, 64); /* clear board config area */ - saa->saa7146_mem = NULL; - saa->dmavid1 = saa->dmavid2 = saa->dmavid3 = saa->dmaa1in = - saa->dmaa1out = saa->dmaa2in = saa->dmaa2out = - saa->pagevid1 = saa->pagevid2 = saa->pagevid3 = saa->pagea1in = - saa->pagea1out = saa->pagea2in = saa->pagea2out = - saa->pagedebi = saa->dmaRPS1 = saa->dmaRPS2 = saa->pageRPS1 = - saa->pageRPS2 = NULL; - saa->audbuf = saa->vidbuf = saa->osdbuf = saa->dmadebi = NULL; - saa->audhead = saa->vidtail = 0; - - init_waitqueue_head(&saa->i2cq); - init_waitqueue_head(&saa->audq); - init_waitqueue_head(&saa->debiq); - init_waitqueue_head(&saa->vidq); - spin_lock_init(&saa->lock); - - retval = pci_enable_device(pdev); - if (retval) { - dev_err(&pdev->dev, "%d: pci_enable_device failed!\n", num); - goto err; - } - - saa->id = pdev->device; - saa->irq = pdev->irq; - saa->saa7146_adr = pci_resource_start(pdev, 0); - pci_read_config_byte(pdev, PCI_CLASS_REVISION, &saa->revision); - - saa->saa7146_mem = ioremap(saa->saa7146_adr, 0x200); - if (saa->saa7146_mem == NULL) { - dev_err(&pdev->dev, "%d: ioremap failed!\n", num); - retval = -EIO; - goto err; - } - - memcpy(&saa->video_dev, &saa_template, sizeof(saa_template)); - saawrite(0, SAA7146_IER); /* turn off all interrupts */ - - retval = request_irq(saa->irq, saa7146_irq, IRQF_SHARED | IRQF_DISABLED, - "stradis", saa); - if (retval == -EINVAL) - dev_err(&pdev->dev, "%d: Bad irq number or handler\n", num); - else if (retval == -EBUSY) - dev_err(&pdev->dev, "%d: IRQ %ld busy, change your PnP config " - "in BIOS\n", num, saa->irq); - if (retval < 0) - goto errio; - - pci_set_master(pdev); - retval = video_register_device(&saa->video_dev, VFL_TYPE_GRABBER, - video_nr); - if (retval < 0) { - dev_err(&pdev->dev, "%d: error in registering video device!\n", - num); - goto errirq; - } - - return 0; - -errirq: - free_irq(saa->irq, saa); -errio: - iounmap(saa->saa7146_mem); -err: - return retval; -} - -static int __devinit init_saa7146(struct pci_dev *pdev) -{ - struct saa7146 *saa = pci_get_drvdata(pdev); - - saa->user = 0; - /* reset the saa7146 */ - saawrite(0xffff0000, SAA7146_MC1); - mdelay(5); - /* enable debi and i2c transfers and pins */ - saawrite(((SAA7146_MC1_EDP | SAA7146_MC1_EI2C | - SAA7146_MC1_TR_E_DEBI) << 16) | 0xffff, SAA7146_MC1); - /* ensure proper state of chip */ - saawrite(0x00000000, SAA7146_PAGE1); - saawrite(0x00f302c0, SAA7146_NUM_LINE_BYTE1); - saawrite(0x00000000, SAA7146_PAGE2); - saawrite(0x01400080, SAA7146_NUM_LINE_BYTE2); - saawrite(0x00000000, SAA7146_DD1_INIT); - saawrite(0x00000000, SAA7146_DD1_STREAM_B); - saawrite(0x00000000, SAA7146_DD1_STREAM_A); - saawrite(0x00000000, SAA7146_BRS_CTRL); - saawrite(0x80400040, SAA7146_BCS_CTRL); - saawrite(0x0000e000 /*| (1<<29) */ , SAA7146_HPS_CTRL); - saawrite(0x00000060, SAA7146_CLIP_FORMAT_CTRL); - saawrite(0x00000000, SAA7146_ACON1); - saawrite(0x00000000, SAA7146_ACON2); - saawrite(0x00000600, SAA7146_I2C_STATUS); - saawrite(((SAA7146_MC2_UPLD_D1_B | SAA7146_MC2_UPLD_D1_A | - SAA7146_MC2_UPLD_BRS | SAA7146_MC2_UPLD_HPS_H | - SAA7146_MC2_UPLD_HPS_V | SAA7146_MC2_UPLD_DMA2 | - SAA7146_MC2_UPLD_DMA1 | SAA7146_MC2_UPLD_I2C) << 16) | 0xffff, - SAA7146_MC2); - /* setup arbitration control registers */ - saawrite(0x1412121a, SAA7146_PCI_BT_V1); - - /* allocate 32k dma buffer + 4k for page table */ - if ((saa->dmadebi = kmalloc(32768 + 4096, GFP_KERNEL)) == NULL) { - dev_err(&pdev->dev, "%d: debi kmalloc failed\n", saa->nr); - goto err; - } -#if 0 - saa->pagedebi = saa->dmadebi + 32768; /* top 4k is for mmu */ - saawrite(virt_to_bus(saa->pagedebi) /*|0x800 */ , SAA7146_DEBI_PAGE); - for (i = 0; i < 12; i++) /* setup mmu page table */ - saa->pagedebi[i] = virt_to_bus((saa->dmadebi + i * 4096)); -#endif - saa->audhead = saa->vidhead = saa->osdhead = 0; - saa->audtail = saa->vidtail = saa->osdtail = 0; - if (saa->vidbuf == NULL && (saa->vidbuf = vmalloc(524288)) == NULL) { - dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr); - goto err; - } - if (saa->audbuf == NULL && (saa->audbuf = vmalloc(65536)) == NULL) { - dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr); - goto errfree; - } - if (saa->osdbuf == NULL && (saa->osdbuf = vmalloc(131072)) == NULL) { - dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr); - goto errfree; - } - /* allocate 81920 byte buffer for clipping */ - if ((saa->dmavid2 = kzalloc(VIDEO_CLIPMAP_SIZE, GFP_KERNEL)) == NULL) { - dev_err(&pdev->dev, "%d: clip kmalloc failed\n", saa->nr); - goto errfree; - } - /* setup clipping registers */ - saawrite(virt_to_bus(saa->dmavid2), SAA7146_BASE_EVEN2); - saawrite(virt_to_bus(saa->dmavid2) + 128, SAA7146_BASE_ODD2); - saawrite(virt_to_bus(saa->dmavid2) + VIDEO_CLIPMAP_SIZE, - SAA7146_PROT_ADDR2); - saawrite(256, SAA7146_PITCH2); - saawrite(4, SAA7146_PAGE2); /* dma direction: read, no byteswap */ - saawrite(((SAA7146_MC2_UPLD_DMA2) << 16) | SAA7146_MC2_UPLD_DMA2, - SAA7146_MC2); - I2CBusScan(saa); - - return 0; -errfree: - vfree(saa->osdbuf); - vfree(saa->audbuf); - vfree(saa->vidbuf); - saa->audbuf = saa->osdbuf = saa->vidbuf = NULL; -err: - return -ENOMEM; -} - -static void stradis_release_saa(struct pci_dev *pdev) -{ - u8 command; - struct saa7146 *saa = pci_get_drvdata(pdev); - - /* turn off all capturing, DMA and IRQs */ - saawrite(0xffff0000, SAA7146_MC1); /* reset chip */ - saawrite(0, SAA7146_MC2); - saawrite(0, SAA7146_IER); - saawrite(0xffffffffUL, SAA7146_ISR); - - /* disable PCI bus-mastering */ - pci_read_config_byte(pdev, PCI_COMMAND, &command); - command &= ~PCI_COMMAND_MASTER; - pci_write_config_byte(pdev, PCI_COMMAND, command); - - /* unmap and free memory */ - saa->audhead = saa->audtail = saa->osdhead = 0; - saa->vidhead = saa->vidtail = saa->osdtail = 0; - vfree(saa->vidbuf); - vfree(saa->audbuf); - vfree(saa->osdbuf); - kfree(saa->dmavid2); - saa->audbuf = saa->vidbuf = saa->osdbuf = NULL; - saa->dmavid2 = NULL; - kfree(saa->dmadebi); - kfree(saa->dmavid1); - kfree(saa->dmavid3); - kfree(saa->dmaa1in); - kfree(saa->dmaa1out); - kfree(saa->dmaa2in); - kfree(saa->dmaa2out); - kfree(saa->dmaRPS1); - kfree(saa->dmaRPS2); - free_irq(saa->irq, saa); - if (saa->saa7146_mem) - iounmap(saa->saa7146_mem); - if (video_is_registered(&saa->video_dev)) - video_unregister_device(&saa->video_dev); -} - -static int __devinit stradis_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - int retval = -EINVAL; - - if (saa_num >= SAA7146_MAX) - goto err; - - if (!pdev->subsystem_vendor) - dev_info(&pdev->dev, "%d: rev1 decoder\n", saa_num); - else - dev_info(&pdev->dev, "%d: SDM2xx found\n", saa_num); - - pci_set_drvdata(pdev, &saa7146s[saa_num]); - - retval = configure_saa7146(pdev, saa_num); - if (retval) { - dev_err(&pdev->dev, "%d: error in configuring\n", saa_num); - goto err; - } - - if (init_saa7146(pdev) < 0) { - dev_err(&pdev->dev, "%d: error in initialization\n", saa_num); - retval = -EIO; - goto errrel; - } - - saa_num++; - - return 0; -errrel: - stradis_release_saa(pdev); -err: - return retval; -} - -static void __devexit stradis_remove(struct pci_dev *pdev) -{ - stradis_release_saa(pdev); -} - -static struct pci_device_id stradis_pci_tbl[] = { - { PCI_DEVICE(PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146) }, - { 0 } -}; - - -static struct pci_driver stradis_driver = { - .name = "stradis", - .id_table = stradis_pci_tbl, - .probe = stradis_probe, - .remove = __devexit_p(stradis_remove) -}; - -static int __init stradis_init(void) -{ - int retval; - - saa_num = 0; - - retval = pci_register_driver(&stradis_driver); - if (retval) - printk(KERN_ERR "stradis: Unable to register pci driver.\n"); - - return retval; -} - -static void __exit stradis_exit(void) -{ - pci_unregister_driver(&stradis_driver); - printk(KERN_INFO "stradis: module cleanup complete\n"); -} - -module_init(stradis_init); -module_exit(stradis_exit); |