| /* |
| * 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/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 "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 = 0; /* 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 = 0; |
| |
| 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 pt_regs *regs) |
| { |
| 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 int saa_ioctl(struct inode *inode, 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; |
| 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 < sizeof(palette2fmt) / sizeof(u32)) { |
| 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; |
| 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; |
| 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; |
| 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; |
| 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 inode *inode, struct file *file) |
| { |
| struct video_device *vdev = video_devdata(file); |
| struct saa7146 *saa = container_of(vdev, struct saa7146, video_dev); |
| |
| file->private_data = saa; |
| |
| saa->user++; |
| if (saa->user > 1) |
| return 0; /* device open already, don't reset */ |
| saa->writemode = VID_WRITE_MPEG_VID; /* default to video */ |
| return 0; |
| } |
| |
| static int saa_release(struct inode *inode, 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 struct file_operations saa_fops = { |
| .owner = THIS_MODULE, |
| .open = saa_open, |
| .release = saa_release, |
| .ioctl = saa_ioctl, |
| .compat_ioctl = v4l_compat_ioctl32, |
| .read = saa_read, |
| .llseek = no_llseek, |
| .write = saa_write, |
| .mmap = saa_mmap, |
| }; |
| |
| /* template for video_device-structure */ |
| static struct video_device saa_template = { |
| .name = "SAA7146A", |
| .type = VID_TYPE_CAPTURE | VID_TYPE_OVERLAY, |
| .hardware = VID_HARDWARE_SAA7146, |
| .fops = &saa_fops, |
| .minor = -1, |
| }; |
| |
| 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->video_dev.minor = -1; |
| 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, SA_SHIRQ | SA_INTERRUPT, |
| "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 errio; |
| } |
| |
| return 0; |
| 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 (saa->video_dev.minor != -1) |
| 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 } |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, stradis_pci_tbl); |
| |
| 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); |