diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-core.c')
-rw-r--r-- | drivers/media/video/cx23885/cx23885-core.c | 2234 |
1 files changed, 0 insertions, 2234 deletions
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c deleted file mode 100644 index 697728f09430..000000000000 --- a/drivers/media/video/cx23885/cx23885-core.c +++ /dev/null @@ -1,2234 +0,0 @@ -/* - * Driver for the Conexant CX23885 PCIe bridge - * - * Copyright (c) 2006 Steven Toth <stoth@linuxtv.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/init.h> -#include <linux/list.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/kmod.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <asm/div64.h> -#include <linux/firmware.h> - -#include "cx23885.h" -#include "cimax2.h" -#include "altera-ci.h" -#include "cx23888-ir.h" -#include "cx23885-ir.h" -#include "cx23885-av.h" -#include "cx23885-input.h" - -MODULE_DESCRIPTION("Driver for cx23885 based TV cards"); -MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(CX23885_VERSION); - -static unsigned int debug; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "enable debug messages"); - -static unsigned int card[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; -module_param_array(card, int, NULL, 0444); -MODULE_PARM_DESC(card, "card type"); - -#define dprintk(level, fmt, arg...)\ - do { if (debug >= level)\ - printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\ - } while (0) - -static unsigned int cx23885_devcount; - -#define NO_SYNC_LINE (-1U) - -/* FIXME, these allocations will change when - * analog arrives. The be reviewed. - * CX23887 Assumptions - * 1 line = 16 bytes of CDT - * cmds size = 80 - * cdt size = 16 * linesize - * iqsize = 64 - * maxlines = 6 - * - * Address Space: - * 0x00000000 0x00008fff FIFO clusters - * 0x00010000 0x000104af Channel Management Data Structures - * 0x000104b0 0x000104ff Free - * 0x00010500 0x000108bf 15 channels * iqsize - * 0x000108c0 0x000108ff Free - * 0x00010900 0x00010e9f IQ's + Cluster Descriptor Tables - * 15 channels * (iqsize + (maxlines * linesize)) - * 0x00010ea0 0x00010xxx Free - */ - -static struct sram_channel cx23885_sram_channels[] = { - [SRAM_CH01] = { - .name = "VID A", - .cmds_start = 0x10000, - .ctrl_start = 0x10380, - .cdt = 0x104c0, - .fifo_start = 0x40, - .fifo_size = 0x2800, - .ptr1_reg = DMA1_PTR1, - .ptr2_reg = DMA1_PTR2, - .cnt1_reg = DMA1_CNT1, - .cnt2_reg = DMA1_CNT2, - }, - [SRAM_CH02] = { - .name = "ch2", - .cmds_start = 0x0, - .ctrl_start = 0x0, - .cdt = 0x0, - .fifo_start = 0x0, - .fifo_size = 0x0, - .ptr1_reg = DMA2_PTR1, - .ptr2_reg = DMA2_PTR2, - .cnt1_reg = DMA2_CNT1, - .cnt2_reg = DMA2_CNT2, - }, - [SRAM_CH03] = { - .name = "TS1 B", - .cmds_start = 0x100A0, - .ctrl_start = 0x10400, - .cdt = 0x10580, - .fifo_start = 0x5000, - .fifo_size = 0x1000, - .ptr1_reg = DMA3_PTR1, - .ptr2_reg = DMA3_PTR2, - .cnt1_reg = DMA3_CNT1, - .cnt2_reg = DMA3_CNT2, - }, - [SRAM_CH04] = { - .name = "ch4", - .cmds_start = 0x0, - .ctrl_start = 0x0, - .cdt = 0x0, - .fifo_start = 0x0, - .fifo_size = 0x0, - .ptr1_reg = DMA4_PTR1, - .ptr2_reg = DMA4_PTR2, - .cnt1_reg = DMA4_CNT1, - .cnt2_reg = DMA4_CNT2, - }, - [SRAM_CH05] = { - .name = "ch5", - .cmds_start = 0x0, - .ctrl_start = 0x0, - .cdt = 0x0, - .fifo_start = 0x0, - .fifo_size = 0x0, - .ptr1_reg = DMA5_PTR1, - .ptr2_reg = DMA5_PTR2, - .cnt1_reg = DMA5_CNT1, - .cnt2_reg = DMA5_CNT2, - }, - [SRAM_CH06] = { - .name = "TS2 C", - .cmds_start = 0x10140, - .ctrl_start = 0x10440, - .cdt = 0x105e0, - .fifo_start = 0x6000, - .fifo_size = 0x1000, - .ptr1_reg = DMA5_PTR1, - .ptr2_reg = DMA5_PTR2, - .cnt1_reg = DMA5_CNT1, - .cnt2_reg = DMA5_CNT2, - }, - [SRAM_CH07] = { - .name = "TV Audio", - .cmds_start = 0x10190, - .ctrl_start = 0x10480, - .cdt = 0x10a00, - .fifo_start = 0x7000, - .fifo_size = 0x1000, - .ptr1_reg = DMA6_PTR1, - .ptr2_reg = DMA6_PTR2, - .cnt1_reg = DMA6_CNT1, - .cnt2_reg = DMA6_CNT2, - }, - [SRAM_CH08] = { - .name = "ch8", - .cmds_start = 0x0, - .ctrl_start = 0x0, - .cdt = 0x0, - .fifo_start = 0x0, - .fifo_size = 0x0, - .ptr1_reg = DMA7_PTR1, - .ptr2_reg = DMA7_PTR2, - .cnt1_reg = DMA7_CNT1, - .cnt2_reg = DMA7_CNT2, - }, - [SRAM_CH09] = { - .name = "ch9", - .cmds_start = 0x0, - .ctrl_start = 0x0, - .cdt = 0x0, - .fifo_start = 0x0, - .fifo_size = 0x0, - .ptr1_reg = DMA8_PTR1, - .ptr2_reg = DMA8_PTR2, - .cnt1_reg = DMA8_CNT1, - .cnt2_reg = DMA8_CNT2, - }, -}; - -static struct sram_channel cx23887_sram_channels[] = { - [SRAM_CH01] = { - .name = "VID A", - .cmds_start = 0x10000, - .ctrl_start = 0x105b0, - .cdt = 0x107b0, - .fifo_start = 0x40, - .fifo_size = 0x2800, - .ptr1_reg = DMA1_PTR1, - .ptr2_reg = DMA1_PTR2, - .cnt1_reg = DMA1_CNT1, - .cnt2_reg = DMA1_CNT2, - }, - [SRAM_CH02] = { - .name = "VID A (VBI)", - .cmds_start = 0x10050, - .ctrl_start = 0x105F0, - .cdt = 0x10810, - .fifo_start = 0x3000, - .fifo_size = 0x1000, - .ptr1_reg = DMA2_PTR1, - .ptr2_reg = DMA2_PTR2, - .cnt1_reg = DMA2_CNT1, - .cnt2_reg = DMA2_CNT2, - }, - [SRAM_CH03] = { - .name = "TS1 B", - .cmds_start = 0x100A0, - .ctrl_start = 0x10630, - .cdt = 0x10870, - .fifo_start = 0x5000, - .fifo_size = 0x1000, - .ptr1_reg = DMA3_PTR1, - .ptr2_reg = DMA3_PTR2, - .cnt1_reg = DMA3_CNT1, - .cnt2_reg = DMA3_CNT2, - }, - [SRAM_CH04] = { - .name = "ch4", - .cmds_start = 0x0, - .ctrl_start = 0x0, - .cdt = 0x0, - .fifo_start = 0x0, - .fifo_size = 0x0, - .ptr1_reg = DMA4_PTR1, - .ptr2_reg = DMA4_PTR2, - .cnt1_reg = DMA4_CNT1, - .cnt2_reg = DMA4_CNT2, - }, - [SRAM_CH05] = { - .name = "ch5", - .cmds_start = 0x0, - .ctrl_start = 0x0, - .cdt = 0x0, - .fifo_start = 0x0, - .fifo_size = 0x0, - .ptr1_reg = DMA5_PTR1, - .ptr2_reg = DMA5_PTR2, - .cnt1_reg = DMA5_CNT1, - .cnt2_reg = DMA5_CNT2, - }, - [SRAM_CH06] = { - .name = "TS2 C", - .cmds_start = 0x10140, - .ctrl_start = 0x10670, - .cdt = 0x108d0, - .fifo_start = 0x6000, - .fifo_size = 0x1000, - .ptr1_reg = DMA5_PTR1, - .ptr2_reg = DMA5_PTR2, - .cnt1_reg = DMA5_CNT1, - .cnt2_reg = DMA5_CNT2, - }, - [SRAM_CH07] = { - .name = "TV Audio", - .cmds_start = 0x10190, - .ctrl_start = 0x106B0, - .cdt = 0x10930, - .fifo_start = 0x7000, - .fifo_size = 0x1000, - .ptr1_reg = DMA6_PTR1, - .ptr2_reg = DMA6_PTR2, - .cnt1_reg = DMA6_CNT1, - .cnt2_reg = DMA6_CNT2, - }, - [SRAM_CH08] = { - .name = "ch8", - .cmds_start = 0x0, - .ctrl_start = 0x0, - .cdt = 0x0, - .fifo_start = 0x0, - .fifo_size = 0x0, - .ptr1_reg = DMA7_PTR1, - .ptr2_reg = DMA7_PTR2, - .cnt1_reg = DMA7_CNT1, - .cnt2_reg = DMA7_CNT2, - }, - [SRAM_CH09] = { - .name = "ch9", - .cmds_start = 0x0, - .ctrl_start = 0x0, - .cdt = 0x0, - .fifo_start = 0x0, - .fifo_size = 0x0, - .ptr1_reg = DMA8_PTR1, - .ptr2_reg = DMA8_PTR2, - .cnt1_reg = DMA8_CNT1, - .cnt2_reg = DMA8_CNT2, - }, -}; - -void cx23885_irq_add(struct cx23885_dev *dev, u32 mask) -{ - unsigned long flags; - spin_lock_irqsave(&dev->pci_irqmask_lock, flags); - - dev->pci_irqmask |= mask; - - spin_unlock_irqrestore(&dev->pci_irqmask_lock, flags); -} - -void cx23885_irq_add_enable(struct cx23885_dev *dev, u32 mask) -{ - unsigned long flags; - spin_lock_irqsave(&dev->pci_irqmask_lock, flags); - - dev->pci_irqmask |= mask; - cx_set(PCI_INT_MSK, mask); - - spin_unlock_irqrestore(&dev->pci_irqmask_lock, flags); -} - -void cx23885_irq_enable(struct cx23885_dev *dev, u32 mask) -{ - u32 v; - unsigned long flags; - spin_lock_irqsave(&dev->pci_irqmask_lock, flags); - - v = mask & dev->pci_irqmask; - if (v) - cx_set(PCI_INT_MSK, v); - - spin_unlock_irqrestore(&dev->pci_irqmask_lock, flags); -} - -static inline void cx23885_irq_enable_all(struct cx23885_dev *dev) -{ - cx23885_irq_enable(dev, 0xffffffff); -} - -void cx23885_irq_disable(struct cx23885_dev *dev, u32 mask) -{ - unsigned long flags; - spin_lock_irqsave(&dev->pci_irqmask_lock, flags); - - cx_clear(PCI_INT_MSK, mask); - - spin_unlock_irqrestore(&dev->pci_irqmask_lock, flags); -} - -static inline void cx23885_irq_disable_all(struct cx23885_dev *dev) -{ - cx23885_irq_disable(dev, 0xffffffff); -} - -void cx23885_irq_remove(struct cx23885_dev *dev, u32 mask) -{ - unsigned long flags; - spin_lock_irqsave(&dev->pci_irqmask_lock, flags); - - dev->pci_irqmask &= ~mask; - cx_clear(PCI_INT_MSK, mask); - - spin_unlock_irqrestore(&dev->pci_irqmask_lock, flags); -} - -static u32 cx23885_irq_get_mask(struct cx23885_dev *dev) -{ - u32 v; - unsigned long flags; - spin_lock_irqsave(&dev->pci_irqmask_lock, flags); - - v = cx_read(PCI_INT_MSK); - - spin_unlock_irqrestore(&dev->pci_irqmask_lock, flags); - return v; -} - -static int cx23885_risc_decode(u32 risc) -{ - static char *instr[16] = { - [RISC_SYNC >> 28] = "sync", - [RISC_WRITE >> 28] = "write", - [RISC_WRITEC >> 28] = "writec", - [RISC_READ >> 28] = "read", - [RISC_READC >> 28] = "readc", - [RISC_JUMP >> 28] = "jump", - [RISC_SKIP >> 28] = "skip", - [RISC_WRITERM >> 28] = "writerm", - [RISC_WRITECM >> 28] = "writecm", - [RISC_WRITECR >> 28] = "writecr", - }; - static int incr[16] = { - [RISC_WRITE >> 28] = 3, - [RISC_JUMP >> 28] = 3, - [RISC_SKIP >> 28] = 1, - [RISC_SYNC >> 28] = 1, - [RISC_WRITERM >> 28] = 3, - [RISC_WRITECM >> 28] = 3, - [RISC_WRITECR >> 28] = 4, - }; - static char *bits[] = { - "12", "13", "14", "resync", - "cnt0", "cnt1", "18", "19", - "20", "21", "22", "23", - "irq1", "irq2", "eol", "sol", - }; - int i; - - printk("0x%08x [ %s", risc, - instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); - for (i = ARRAY_SIZE(bits) - 1; i >= 0; i--) - if (risc & (1 << (i + 12))) - printk(" %s", bits[i]); - printk(" count=%d ]\n", risc & 0xfff); - return incr[risc >> 28] ? incr[risc >> 28] : 1; -} - -void cx23885_wakeup(struct cx23885_tsport *port, - struct cx23885_dmaqueue *q, u32 count) -{ - struct cx23885_dev *dev = port->dev; - struct cx23885_buffer *buf; - int bc; - - for (bc = 0;; bc++) { - if (list_empty(&q->active)) - break; - buf = list_entry(q->active.next, - struct cx23885_buffer, vb.queue); - - /* count comes from the hw and is is 16bit wide -- - * this trick handles wrap-arounds correctly for - * up to 32767 buffers in flight... */ - if ((s16) (count - buf->count) < 0) - break; - - do_gettimeofday(&buf->vb.ts); - dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, - count, buf->count); - buf->vb.state = VIDEOBUF_DONE; - list_del(&buf->vb.queue); - wake_up(&buf->vb.done); - } - if (list_empty(&q->active)) - del_timer(&q->timeout); - else - mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); - if (bc != 1) - printk(KERN_WARNING "%s: %d buffers handled (should be 1)\n", - __func__, bc); -} - -int cx23885_sram_channel_setup(struct cx23885_dev *dev, - struct sram_channel *ch, - unsigned int bpl, u32 risc) -{ - unsigned int i, lines; - u32 cdt; - - if (ch->cmds_start == 0) { - dprintk(1, "%s() Erasing channel [%s]\n", __func__, - ch->name); - cx_write(ch->ptr1_reg, 0); - cx_write(ch->ptr2_reg, 0); - cx_write(ch->cnt2_reg, 0); - cx_write(ch->cnt1_reg, 0); - return 0; - } else { - dprintk(1, "%s() Configuring channel [%s]\n", __func__, - ch->name); - } - - bpl = (bpl + 7) & ~7; /* alignment */ - cdt = ch->cdt; - lines = ch->fifo_size / bpl; - if (lines > 6) - lines = 6; - BUG_ON(lines < 2); - - cx_write(8 + 0, RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); - cx_write(8 + 4, 8); - cx_write(8 + 8, 0); - - /* write CDT */ - for (i = 0; i < lines; i++) { - dprintk(2, "%s() 0x%08x <- 0x%08x\n", __func__, cdt + 16*i, - ch->fifo_start + bpl*i); - cx_write(cdt + 16*i, ch->fifo_start + bpl*i); - cx_write(cdt + 16*i + 4, 0); - cx_write(cdt + 16*i + 8, 0); - cx_write(cdt + 16*i + 12, 0); - } - - /* write CMDS */ - if (ch->jumponly) - cx_write(ch->cmds_start + 0, 8); - else - cx_write(ch->cmds_start + 0, risc); - cx_write(ch->cmds_start + 4, 0); /* 64 bits 63-32 */ - cx_write(ch->cmds_start + 8, cdt); - cx_write(ch->cmds_start + 12, (lines*16) >> 3); - cx_write(ch->cmds_start + 16, ch->ctrl_start); - if (ch->jumponly) - cx_write(ch->cmds_start + 20, 0x80000000 | (64 >> 2)); - else - cx_write(ch->cmds_start + 20, 64 >> 2); - for (i = 24; i < 80; i += 4) - cx_write(ch->cmds_start + i, 0); - - /* fill registers */ - cx_write(ch->ptr1_reg, ch->fifo_start); - cx_write(ch->ptr2_reg, cdt); - cx_write(ch->cnt2_reg, (lines*16) >> 3); - cx_write(ch->cnt1_reg, (bpl >> 3) - 1); - - dprintk(2, "[bridge %d] sram setup %s: bpl=%d lines=%d\n", - dev->bridge, - ch->name, - bpl, - lines); - - return 0; -} - -void cx23885_sram_channel_dump(struct cx23885_dev *dev, - struct sram_channel *ch) -{ - static char *name[] = { - "init risc lo", - "init risc hi", - "cdt base", - "cdt size", - "iq base", - "iq size", - "risc pc lo", - "risc pc hi", - "iq wr ptr", - "iq rd ptr", - "cdt current", - "pci target lo", - "pci target hi", - "line / byte", - }; - u32 risc; - unsigned int i, j, n; - - printk(KERN_WARNING "%s: %s - dma channel status dump\n", - dev->name, ch->name); - for (i = 0; i < ARRAY_SIZE(name); i++) - printk(KERN_WARNING "%s: cmds: %-15s: 0x%08x\n", - dev->name, name[i], - cx_read(ch->cmds_start + 4*i)); - - for (i = 0; i < 4; i++) { - risc = cx_read(ch->cmds_start + 4 * (i + 14)); - printk(KERN_WARNING "%s: risc%d: ", dev->name, i); - cx23885_risc_decode(risc); - } - for (i = 0; i < (64 >> 2); i += n) { - risc = cx_read(ch->ctrl_start + 4 * i); - /* No consideration for bits 63-32 */ - - printk(KERN_WARNING "%s: (0x%08x) iq %x: ", dev->name, - ch->ctrl_start + 4 * i, i); - n = cx23885_risc_decode(risc); - for (j = 1; j < n; j++) { - risc = cx_read(ch->ctrl_start + 4 * (i + j)); - printk(KERN_WARNING "%s: iq %x: 0x%08x [ arg #%d ]\n", - dev->name, i+j, risc, j); - } - } - - printk(KERN_WARNING "%s: fifo: 0x%08x -> 0x%x\n", - dev->name, ch->fifo_start, ch->fifo_start+ch->fifo_size); - printk(KERN_WARNING "%s: ctrl: 0x%08x -> 0x%x\n", - dev->name, ch->ctrl_start, ch->ctrl_start + 6*16); - printk(KERN_WARNING "%s: ptr1_reg: 0x%08x\n", - dev->name, cx_read(ch->ptr1_reg)); - printk(KERN_WARNING "%s: ptr2_reg: 0x%08x\n", - dev->name, cx_read(ch->ptr2_reg)); - printk(KERN_WARNING "%s: cnt1_reg: 0x%08x\n", - dev->name, cx_read(ch->cnt1_reg)); - printk(KERN_WARNING "%s: cnt2_reg: 0x%08x\n", - dev->name, cx_read(ch->cnt2_reg)); -} - -static void cx23885_risc_disasm(struct cx23885_tsport *port, - struct btcx_riscmem *risc) -{ - struct cx23885_dev *dev = port->dev; - unsigned int i, j, n; - - printk(KERN_INFO "%s: risc disasm: %p [dma=0x%08lx]\n", - dev->name, risc->cpu, (unsigned long)risc->dma); - for (i = 0; i < (risc->size >> 2); i += n) { - printk(KERN_INFO "%s: %04d: ", dev->name, i); - n = cx23885_risc_decode(le32_to_cpu(risc->cpu[i])); - for (j = 1; j < n; j++) - printk(KERN_INFO "%s: %04d: 0x%08x [ arg #%d ]\n", - dev->name, i + j, risc->cpu[i + j], j); - if (risc->cpu[i] == cpu_to_le32(RISC_JUMP)) - break; - } -} - -static void cx23885_shutdown(struct cx23885_dev *dev) -{ - /* disable RISC controller */ - cx_write(DEV_CNTRL2, 0); - - /* Disable all IR activity */ - cx_write(IR_CNTRL_REG, 0); - - /* Disable Video A/B activity */ - cx_write(VID_A_DMA_CTL, 0); - cx_write(VID_B_DMA_CTL, 0); - cx_write(VID_C_DMA_CTL, 0); - - /* Disable Audio activity */ - cx_write(AUD_INT_DMA_CTL, 0); - cx_write(AUD_EXT_DMA_CTL, 0); - - /* Disable Serial port */ - cx_write(UART_CTL, 0); - - /* Disable Interrupts */ - cx23885_irq_disable_all(dev); - cx_write(VID_A_INT_MSK, 0); - cx_write(VID_B_INT_MSK, 0); - cx_write(VID_C_INT_MSK, 0); - cx_write(AUDIO_INT_INT_MSK, 0); - cx_write(AUDIO_EXT_INT_MSK, 0); - -} - -static void cx23885_reset(struct cx23885_dev *dev) -{ - dprintk(1, "%s()\n", __func__); - - cx23885_shutdown(dev); - - cx_write(PCI_INT_STAT, 0xffffffff); - cx_write(VID_A_INT_STAT, 0xffffffff); - cx_write(VID_B_INT_STAT, 0xffffffff); - cx_write(VID_C_INT_STAT, 0xffffffff); - cx_write(AUDIO_INT_INT_STAT, 0xffffffff); - cx_write(AUDIO_EXT_INT_STAT, 0xffffffff); - cx_write(CLK_DELAY, cx_read(CLK_DELAY) & 0x80000000); - cx_write(PAD_CTRL, 0x00500300); - - mdelay(100); - - cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], - 720*4, 0); - cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH02], 128, 0); - cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH03], - 188*4, 0); - cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH04], 128, 0); - cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH05], 128, 0); - cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH06], - 188*4, 0); - cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH07], 128, 0); - cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH08], 128, 0); - cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH09], 128, 0); - - cx23885_gpio_setup(dev); -} - - -static int cx23885_pci_quirks(struct cx23885_dev *dev) -{ - dprintk(1, "%s()\n", __func__); - - /* The cx23885 bridge has a weird bug which causes NMI to be asserted - * when DMA begins if RDR_TLCTL0 bit4 is not cleared. It does not - * occur on the cx23887 bridge. - */ - if (dev->bridge == CX23885_BRIDGE_885) - cx_clear(RDR_TLCTL0, 1 << 4); - - return 0; -} - -static int get_resources(struct cx23885_dev *dev) -{ - if (request_mem_region(pci_resource_start(dev->pci, 0), - pci_resource_len(dev->pci, 0), - dev->name)) - return 0; - - printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n", - dev->name, (unsigned long long)pci_resource_start(dev->pci, 0)); - - return -EBUSY; -} - -static void cx23885_timeout(unsigned long data); -int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, - u32 reg, u32 mask, u32 value); - -static int cx23885_init_tsport(struct cx23885_dev *dev, - struct cx23885_tsport *port, int portno) -{ - dprintk(1, "%s(portno=%d)\n", __func__, portno); - - /* Transport bus init dma queue - Common settings */ - port->dma_ctl_val = 0x11; /* Enable RISC controller and Fifo */ - port->ts_int_msk_val = 0x1111; /* TS port bits for RISC */ - port->vld_misc_val = 0x0; - port->hw_sop_ctrl_val = (0x47 << 16 | 188 << 4); - - spin_lock_init(&port->slock); - port->dev = dev; - port->nr = portno; - - INIT_LIST_HEAD(&port->mpegq.active); - INIT_LIST_HEAD(&port->mpegq.queued); - port->mpegq.timeout.function = cx23885_timeout; - port->mpegq.timeout.data = (unsigned long)port; - init_timer(&port->mpegq.timeout); - - mutex_init(&port->frontends.lock); - INIT_LIST_HEAD(&port->frontends.felist); - port->frontends.active_fe_id = 0; - - /* This should be hardcoded allow a single frontend - * attachment to this tsport, keeping the -dvb.c - * code clean and safe. - */ - if (!port->num_frontends) - port->num_frontends = 1; - - switch (portno) { - case 1: - port->reg_gpcnt = VID_B_GPCNT; - port->reg_gpcnt_ctl = VID_B_GPCNT_CTL; - port->reg_dma_ctl = VID_B_DMA_CTL; - port->reg_lngth = VID_B_LNGTH; - port->reg_hw_sop_ctrl = VID_B_HW_SOP_CTL; - port->reg_gen_ctrl = VID_B_GEN_CTL; - port->reg_bd_pkt_status = VID_B_BD_PKT_STATUS; - port->reg_sop_status = VID_B_SOP_STATUS; - port->reg_fifo_ovfl_stat = VID_B_FIFO_OVFL_STAT; - port->reg_vld_misc = VID_B_VLD_MISC; - port->reg_ts_clk_en = VID_B_TS_CLK_EN; - port->reg_src_sel = VID_B_SRC_SEL; - port->reg_ts_int_msk = VID_B_INT_MSK; - port->reg_ts_int_stat = VID_B_INT_STAT; - port->sram_chno = SRAM_CH03; /* VID_B */ - port->pci_irqmask = 0x02; /* VID_B bit1 */ - break; - case 2: - port->reg_gpcnt = VID_C_GPCNT; - port->reg_gpcnt_ctl = VID_C_GPCNT_CTL; - port->reg_dma_ctl = VID_C_DMA_CTL; - port->reg_lngth = VID_C_LNGTH; - port->reg_hw_sop_ctrl = VID_C_HW_SOP_CTL; - port->reg_gen_ctrl = VID_C_GEN_CTL; - port->reg_bd_pkt_status = VID_C_BD_PKT_STATUS; - port->reg_sop_status = VID_C_SOP_STATUS; - port->reg_fifo_ovfl_stat = VID_C_FIFO_OVFL_STAT; - port->reg_vld_misc = VID_C_VLD_MISC; - port->reg_ts_clk_en = VID_C_TS_CLK_EN; - port->reg_src_sel = 0; - port->reg_ts_int_msk = VID_C_INT_MSK; - port->reg_ts_int_stat = VID_C_INT_STAT; - port->sram_chno = SRAM_CH06; /* VID_C */ - port->pci_irqmask = 0x04; /* VID_C bit2 */ - break; - default: - BUG(); - } - - cx23885_risc_stopper(dev->pci, &port->mpegq.stopper, - port->reg_dma_ctl, port->dma_ctl_val, 0x00); - - return 0; -} - -static void cx23885_dev_checkrevision(struct cx23885_dev *dev) -{ - switch (cx_read(RDR_CFG2) & 0xff) { - case 0x00: - /* cx23885 */ - dev->hwrevision = 0xa0; - break; - case 0x01: - /* CX23885-12Z */ - dev->hwrevision = 0xa1; - break; - case 0x02: - /* CX23885-13Z/14Z */ - dev->hwrevision = 0xb0; - break; - case 0x03: - if (dev->pci->device == 0x8880) { - /* CX23888-21Z/22Z */ - dev->hwrevision = 0xc0; - } else { - /* CX23885-14Z */ - dev->hwrevision = 0xa4; - } - break; - case 0x04: - if (dev->pci->device == 0x8880) { - /* CX23888-31Z */ - dev->hwrevision = 0xd0; - } else { - /* CX23885-15Z, CX23888-31Z */ - dev->hwrevision = 0xa5; - } - break; - case 0x0e: - /* CX23887-15Z */ - dev->hwrevision = 0xc0; - break; - case 0x0f: - /* CX23887-14Z */ - dev->hwrevision = 0xb1; - break; - default: - printk(KERN_ERR "%s() New hardware revision found 0x%x\n", - __func__, dev->hwrevision); - } - if (dev->hwrevision) - printk(KERN_INFO "%s() Hardware revision = 0x%02x\n", - __func__, dev->hwrevision); - else - printk(KERN_ERR "%s() Hardware revision unknown 0x%x\n", - __func__, dev->hwrevision); -} - -/* Find the first v4l2_subdev member of the group id in hw */ -struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw) -{ - struct v4l2_subdev *result = NULL; - struct v4l2_subdev *sd; - - spin_lock(&dev->v4l2_dev.lock); - v4l2_device_for_each_subdev(sd, &dev->v4l2_dev) { - if (sd->grp_id == hw) { - result = sd; - break; - } - } - spin_unlock(&dev->v4l2_dev.lock); - return result; -} - -static int cx23885_dev_setup(struct cx23885_dev *dev) -{ - int i; - - spin_lock_init(&dev->pci_irqmask_lock); - - mutex_init(&dev->lock); - mutex_init(&dev->gpio_lock); - - atomic_inc(&dev->refcount); - - dev->nr = cx23885_devcount++; - sprintf(dev->name, "cx23885[%d]", dev->nr); - - /* Configure the internal memory */ - if (dev->pci->device == 0x8880) { - /* Could be 887 or 888, assume a default */ - dev->bridge = CX23885_BRIDGE_887; - /* Apply a sensible clock frequency for the PCIe bridge */ - dev->clk_freq = 25000000; - dev->sram_channels = cx23887_sram_channels; - } else - if (dev->pci->device == 0x8852) { - dev->bridge = CX23885_BRIDGE_885; - /* Apply a sensible clock frequency for the PCIe bridge */ - dev->clk_freq = 28000000; - dev->sram_channels = cx23885_sram_channels; - } else - BUG(); - - dprintk(1, "%s() Memory configured for PCIe bridge type %d\n", - __func__, dev->bridge); - - /* board config */ - dev->board = UNSET; - if (card[dev->nr] < cx23885_bcount) - dev->board = card[dev->nr]; - for (i = 0; UNSET == dev->board && i < cx23885_idcount; i++) - if (dev->pci->subsystem_vendor == cx23885_subids[i].subvendor && - dev->pci->subsystem_device == cx23885_subids[i].subdevice) - dev->board = cx23885_subids[i].card; - if (UNSET == dev->board) { - dev->board = CX23885_BOARD_UNKNOWN; - cx23885_card_list(dev); - } - - /* If the user specific a clk freq override, apply it */ - if (cx23885_boards[dev->board].clk_freq > 0) - dev->clk_freq = cx23885_boards[dev->board].clk_freq; - - dev->pci_bus = dev->pci->bus->number; - dev->pci_slot = PCI_SLOT(dev->pci->devfn); - cx23885_irq_add(dev, 0x001f00); - - /* External Master 1 Bus */ - dev->i2c_bus[0].nr = 0; - dev->i2c_bus[0].dev = dev; - dev->i2c_bus[0].reg_stat = I2C1_STAT; - dev->i2c_bus[0].reg_ctrl = I2C1_CTRL; - dev->i2c_bus[0].reg_addr = I2C1_ADDR; - dev->i2c_bus[0].reg_rdata = I2C1_RDATA; - dev->i2c_bus[0].reg_wdata = I2C1_WDATA; - dev->i2c_bus[0].i2c_period = (0x9d << 24); /* 100kHz */ - - /* External Master 2 Bus */ - dev->i2c_bus[1].nr = 1; - dev->i2c_bus[1].dev = dev; - dev->i2c_bus[1].reg_stat = I2C2_STAT; - dev->i2c_bus[1].reg_ctrl = I2C2_CTRL; - dev->i2c_bus[1].reg_addr = I2C2_ADDR; - dev->i2c_bus[1].reg_rdata = I2C2_RDATA; - dev->i2c_bus[1].reg_wdata = I2C2_WDATA; - dev->i2c_bus[1].i2c_period = (0x9d << 24); /* 100kHz */ - - /* Internal Master 3 Bus */ - dev->i2c_bus[2].nr = 2; - dev->i2c_bus[2].dev = dev; - dev->i2c_bus[2].reg_stat = I2C3_STAT; - dev->i2c_bus[2].reg_ctrl = I2C3_CTRL; - dev->i2c_bus[2].reg_addr = I2C3_ADDR; - dev->i2c_bus[2].reg_rdata = I2C3_RDATA; - dev->i2c_bus[2].reg_wdata = I2C3_WDATA; - dev->i2c_bus[2].i2c_period = (0x07 << 24); /* 1.95MHz */ - - if ((cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) || - (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER)) - cx23885_init_tsport(dev, &dev->ts1, 1); - - if ((cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) || - (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER)) - cx23885_init_tsport(dev, &dev->ts2, 2); - - if (get_resources(dev) < 0) { - printk(KERN_ERR "CORE %s No more PCIe resources for " - "subsystem: %04x:%04x\n", - dev->name, dev->pci->subsystem_vendor, - dev->pci->subsystem_device); - - cx23885_devcount--; - return -ENODEV; - } - - /* PCIe stuff */ - dev->lmmio = ioremap(pci_resource_start(dev->pci, 0), - pci_resource_len(dev->pci, 0)); - - dev->bmmio = (u8 __iomem *)dev->lmmio; - - printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", - dev->name, dev->pci->subsystem_vendor, - dev->pci->subsystem_device, cx23885_boards[dev->board].name, - dev->board, card[dev->nr] == dev->board ? - "insmod option" : "autodetected"); - - cx23885_pci_quirks(dev); - - /* Assume some sensible defaults */ - dev->tuner_type = cx23885_boards[dev->board].tuner_type; - dev->tuner_addr = cx23885_boards[dev->board].tuner_addr; - dev->tuner_bus = cx23885_boards[dev->board].tuner_bus; - dev->radio_type = cx23885_boards[dev->board].radio_type; - dev->radio_addr = cx23885_boards[dev->board].radio_addr; - - dprintk(1, "%s() tuner_type = 0x%x tuner_addr = 0x%x tuner_bus = %d\n", - __func__, dev->tuner_type, dev->tuner_addr, dev->tuner_bus); - dprintk(1, "%s() radio_type = 0x%x radio_addr = 0x%x\n", - __func__, dev->radio_type, dev->radio_addr); - - /* The cx23417 encoder has GPIO's that need to be initialised - * before DVB, so that demodulators and tuners are out of - * reset before DVB uses them. - */ - if ((cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) || - (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER)) - cx23885_mc417_init(dev); - - /* init hardware */ - cx23885_reset(dev); - - cx23885_i2c_register(&dev->i2c_bus[0]); - cx23885_i2c_register(&dev->i2c_bus[1]); - cx23885_i2c_register(&dev->i2c_bus[2]); - cx23885_card_setup(dev); - call_all(dev, core, s_power, 0); - cx23885_ir_init(dev); - - if (cx23885_boards[dev->board].porta == CX23885_ANALOG_VIDEO) { - if (cx23885_video_register(dev) < 0) { - printk(KERN_ERR "%s() Failed to register analog " - "video adapters on VID_A\n", __func__); - } - } - - if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) { - if (cx23885_boards[dev->board].num_fds_portb) - dev->ts1.num_frontends = - cx23885_boards[dev->board].num_fds_portb; - if (cx23885_dvb_register(&dev->ts1) < 0) { - printk(KERN_ERR "%s() Failed to register dvb adapters on VID_B\n", - __func__); - } - } else - if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) { - if (cx23885_417_register(dev) < 0) { - printk(KERN_ERR - "%s() Failed to register 417 on VID_B\n", - __func__); - } - } - - if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) { - if (cx23885_boards[dev->board].num_fds_portc) - dev->ts2.num_frontends = - cx23885_boards[dev->board].num_fds_portc; - if (cx23885_dvb_register(&dev->ts2) < 0) { - printk(KERN_ERR - "%s() Failed to register dvb on VID_C\n", - __func__); - } - } else - if (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER) { - if (cx23885_417_register(dev) < 0) { - printk(KERN_ERR - "%s() Failed to register 417 on VID_C\n", - __func__); - } - } - - cx23885_dev_checkrevision(dev); - - /* disable MSI for NetUP cards, otherwise CI is not working */ - if (cx23885_boards[dev->board].ci_type > 0) - cx_clear(RDR_RDRCTL1, 1 << 8); - - switch (dev->board) { - case CX23885_BOARD_TEVII_S470: - case CX23885_BOARD_TEVII_S471: - cx_clear(RDR_RDRCTL1, 1 << 8); - break; - } - - return 0; -} - -static void cx23885_dev_unregister(struct cx23885_dev *dev) -{ - release_mem_region(pci_resource_start(dev->pci, 0), - pci_resource_len(dev->pci, 0)); - - if (!atomic_dec_and_test(&dev->refcount)) - return; - - if (cx23885_boards[dev->board].porta == CX23885_ANALOG_VIDEO) - cx23885_video_unregister(dev); - - if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) - cx23885_dvb_unregister(&dev->ts1); - - if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) - cx23885_417_unregister(dev); - - if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) - cx23885_dvb_unregister(&dev->ts2); - - if (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER) - cx23885_417_unregister(dev); - - cx23885_i2c_unregister(&dev->i2c_bus[2]); - cx23885_i2c_unregister(&dev->i2c_bus[1]); - cx23885_i2c_unregister(&dev->i2c_bus[0]); - - iounmap(dev->lmmio); -} - -static __le32 *cx23885_risc_field(__le32 *rp, struct scatterlist *sglist, - unsigned int offset, u32 sync_line, - unsigned int bpl, unsigned int padding, - unsigned int lines, unsigned int lpi) -{ - struct scatterlist *sg; - unsigned int line, todo, sol; - - /* sync instruction */ - if (sync_line != NO_SYNC_LINE) - *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); - - /* scan lines */ - sg = sglist; - for (line = 0; line < lines; line++) { - while (offset && offset >= sg_dma_len(sg)) { - offset -= sg_dma_len(sg); - sg++; - } - - if (lpi && line > 0 && !(line % lpi)) - sol = RISC_SOL | RISC_IRQ1 | RISC_CNT_INC; - else - sol = RISC_SOL; - - if (bpl <= sg_dma_len(sg)-offset) { - /* fits into current chunk */ - *(rp++) = cpu_to_le32(RISC_WRITE|sol|RISC_EOL|bpl); - *(rp++) = cpu_to_le32(sg_dma_address(sg)+offset); - *(rp++) = cpu_to_le32(0); /* bits 63-32 */ - offset += bpl; - } else { - /* scanline needs to be split */ - todo = bpl; - *(rp++) = cpu_to_le32(RISC_WRITE|sol| - (sg_dma_len(sg)-offset)); - *(rp++) = cpu_to_le32(sg_dma_address(sg)+offset); - *(rp++) = cpu_to_le32(0); /* bits 63-32 */ - todo -= (sg_dma_len(sg)-offset); - offset = 0; - sg++; - while (todo > sg_dma_len(sg)) { - *(rp++) = cpu_to_le32(RISC_WRITE| - sg_dma_len(sg)); - *(rp++) = cpu_to_le32(sg_dma_address(sg)); - *(rp++) = cpu_to_le32(0); /* bits 63-32 */ - todo -= sg_dma_len(sg); - sg++; - } - *(rp++) = cpu_to_le32(RISC_WRITE|RISC_EOL|todo); - *(rp++) = cpu_to_le32(sg_dma_address(sg)); - *(rp++) = cpu_to_le32(0); /* bits 63-32 */ - offset += todo; - } - offset += padding; - } - - return rp; -} - -int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, - struct scatterlist *sglist, unsigned int top_offset, - unsigned int bottom_offset, unsigned int bpl, - unsigned int padding, unsigned int lines) -{ - u32 instructions, fields; - __le32 *rp; - int rc; - - fields = 0; - if (UNSET != top_offset) - fields++; - if (UNSET != bottom_offset) - fields++; - - /* estimate risc mem: worst case is one write per page border + - one write per scan line + syncs + jump (all 2 dwords). Padding - can cause next bpl to start close to a page border. First DMA - region may be smaller than PAGE_SIZE */ - /* write and jump need and extra dword */ - instructions = fields * (1 + ((bpl + padding) * lines) - / PAGE_SIZE + lines); - instructions += 2; - rc = btcx_riscmem_alloc(pci, risc, instructions*12); - if (rc < 0) - return rc; - - /* write risc instructions */ - rp = risc->cpu; - if (UNSET != top_offset) - rp = cx23885_risc_field(rp, sglist, top_offset, 0, - bpl, padding, lines, 0); - if (UNSET != bottom_offset) - rp = cx23885_risc_field(rp, sglist, bottom_offset, 0x200, - bpl, padding, lines, 0); - - /* save pointer to jmp instruction address */ - risc->jmp = rp; - BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size); - return 0; -} - -int cx23885_risc_databuffer(struct pci_dev *pci, - struct btcx_riscmem *risc, - struct scatterlist *sglist, - unsigned int bpl, - unsigned int lines, unsigned int lpi) -{ - u32 instructions; - __le32 *rp; - int rc; - - /* estimate risc mem: worst case is one write per page border + - one write per scan line + syncs + jump (all 2 dwords). Here - there is no padding and no sync. First DMA region may be smaller - than PAGE_SIZE */ - /* Jump and write need an extra dword */ - instructions = 1 + (bpl * lines) / PAGE_SIZE + lines; - instructions += 1; - - rc = btcx_riscmem_alloc(pci, risc, instructions*12); - if (rc < 0) - return rc; - - /* write risc instructions */ - rp = risc->cpu; - rp = cx23885_risc_field(rp, sglist, 0, NO_SYNC_LINE, - bpl, 0, lines, lpi); - - /* save pointer to jmp instruction address */ - risc->jmp = rp; - BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size); - return 0; -} - -int cx23885_risc_vbibuffer(struct pci_dev *pci, struct btcx_riscmem *risc, - struct scatterlist *sglist, unsigned int top_offset, - unsigned int bottom_offset, unsigned int bpl, - unsigned int padding, unsigned int lines) -{ - u32 instructions, fields; - __le32 *rp; - int rc; - - fields = 0; - if (UNSET != top_offset) - fields++; - if (UNSET != bottom_offset) - fields++; - - /* estimate risc mem: worst case is one write per page border + - one write per scan line + syncs + jump (all 2 dwords). Padding - can cause next bpl to start close to a page border. First DMA - region may be smaller than PAGE_SIZE */ - /* write and jump need and extra dword */ - instructions = fields * (1 + ((bpl + padding) * lines) - / PAGE_SIZE + lines); - instructions += 2; - rc = btcx_riscmem_alloc(pci, risc, instructions*12); - if (rc < 0) - return rc; - /* write risc instructions */ - rp = risc->cpu; - - /* Sync to line 6, so US CC line 21 will appear in line '12' - * in the userland vbi payload */ - if (UNSET != top_offset) - rp = cx23885_risc_field(rp, sglist, top_offset, 6, - bpl, padding, lines, 0); - - if (UNSET != bottom_offset) - rp = cx23885_risc_field(rp, sglist, bottom_offset, 0x207, - bpl, padding, lines, 0); - - - - /* save pointer to jmp instruction address */ - risc->jmp = rp; - BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size); - return 0; -} - - -int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, - u32 reg, u32 mask, u32 value) -{ - __le32 *rp; - int rc; - - rc = btcx_riscmem_alloc(pci, risc, 4*16); - if (rc < 0) - return rc; - - /* write risc instructions */ - rp = risc->cpu; - *(rp++) = cpu_to_le32(RISC_WRITECR | RISC_IRQ2); - *(rp++) = cpu_to_le32(reg); - *(rp++) = cpu_to_le32(value); - *(rp++) = cpu_to_le32(mask); - *(rp++) = cpu_to_le32(RISC_JUMP); - *(rp++) = cpu_to_le32(risc->dma); - *(rp++) = cpu_to_le32(0); /* bits 63-32 */ - return 0; -} - -void cx23885_free_buffer(struct videobuf_queue *q, struct cx23885_buffer *buf) -{ - struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); - - BUG_ON(in_interrupt()); - videobuf_waiton(q, &buf->vb, 0, 0); - videobuf_dma_unmap(q->dev, dma); - videobuf_dma_free(dma); - btcx_riscmem_free(to_pci_dev(q->dev), &buf->risc); - buf->vb.state = VIDEOBUF_NEEDS_INIT; -} - -static void cx23885_tsport_reg_dump(struct cx23885_tsport *port) -{ - struct cx23885_dev *dev = port->dev; - - dprintk(1, "%s() Register Dump\n", __func__); - dprintk(1, "%s() DEV_CNTRL2 0x%08X\n", __func__, - cx_read(DEV_CNTRL2)); - dprintk(1, "%s() PCI_INT_MSK 0x%08X\n", __func__, - cx23885_irq_get_mask(dev)); - dprintk(1, "%s() AUD_INT_INT_MSK 0x%08X\n", __func__, - cx_read(AUDIO_INT_INT_MSK)); - dprintk(1, "%s() AUD_INT_DMA_CTL 0x%08X\n", __func__, - cx_read(AUD_INT_DMA_CTL)); - dprintk(1, "%s() AUD_EXT_INT_MSK 0x%08X\n", __func__, - cx_read(AUDIO_EXT_INT_MSK)); - dprintk(1, "%s() AUD_EXT_DMA_CTL 0x%08X\n", __func__, - cx_read(AUD_EXT_DMA_CTL)); - dprintk(1, "%s() PAD_CTRL 0x%08X\n", __func__, - cx_read(PAD_CTRL)); - dprintk(1, "%s() ALT_PIN_OUT_SEL 0x%08X\n", __func__, - cx_read(ALT_PIN_OUT_SEL)); - dprintk(1, "%s() GPIO2 0x%08X\n", __func__, - cx_read(GPIO2)); - dprintk(1, "%s() gpcnt(0x%08X) 0x%08X\n", __func__, - port->reg_gpcnt, cx_read(port->reg_gpcnt)); - dprintk(1, "%s() gpcnt_ctl(0x%08X) 0x%08x\n", __func__, - port->reg_gpcnt_ctl, cx_read(port->reg_gpcnt_ctl)); - dprintk(1, "%s() dma_ctl(0x%08X) 0x%08x\n", __func__, - port->reg_dma_ctl, cx_read(port->reg_dma_ctl)); - if (port->reg_src_sel) - dprintk(1, "%s() src_sel(0x%08X) 0x%08x\n", __func__, - port->reg_src_sel, cx_read(port->reg_src_sel)); - dprintk(1, "%s() lngth(0x%08X) 0x%08x\n", __func__, - port->reg_lngth, cx_read(port->reg_lngth)); - dprintk(1, "%s() hw_sop_ctrl(0x%08X) 0x%08x\n", __func__, - port->reg_hw_sop_ctrl, cx_read(port->reg_hw_sop_ctrl)); - dprintk(1, "%s() gen_ctrl(0x%08X) 0x%08x\n", __func__, - port->reg_gen_ctrl, cx_read(port->reg_gen_ctrl)); - dprintk(1, "%s() bd_pkt_status(0x%08X) 0x%08x\n", __func__, - port->reg_bd_pkt_status, cx_read(port->reg_bd_pkt_status)); - dprintk(1, "%s() sop_status(0x%08X) 0x%08x\n", __func__, - port->reg_sop_status, cx_read(port->reg_sop_status)); - dprintk(1, "%s() fifo_ovfl_stat(0x%08X) 0x%08x\n", __func__, - port->reg_fifo_ovfl_stat, cx_read(port->reg_fifo_ovfl_stat)); - dprintk(1, "%s() vld_misc(0x%08X) 0x%08x\n", __func__, - port->reg_vld_misc, cx_read(port->reg_vld_misc)); - dprintk(1, "%s() ts_clk_en(0x%08X) 0x%08x\n", __func__, - port->reg_ts_clk_en, cx_read(port->reg_ts_clk_en)); - dprintk(1, "%s() ts_int_msk(0x%08X) 0x%08x\n", __func__, - port->reg_ts_int_msk, cx_read(port->reg_ts_int_msk)); -} - -static int cx23885_start_dma(struct cx23885_tsport *port, - struct cx23885_dmaqueue *q, - struct cx23885_buffer *buf) -{ - struct cx23885_dev *dev = port->dev; - u32 reg; - - dprintk(1, "%s() w: %d, h: %d, f: %d\n", __func__, - buf->vb.width, buf->vb.height, buf->vb.field); - - /* Stop the fifo and risc engine for this port */ - cx_clear(port->reg_dma_ctl, port->dma_ctl_val); - - /* setup fifo + format */ - cx23885_sram_channel_setup(dev, - &dev->sram_channels[port->sram_chno], - port->ts_packet_size, buf->risc.dma); - if (debug > 5) { - cx23885_sram_channel_dump(dev, - &dev->sram_channels[port->sram_chno]); - cx23885_risc_disasm(port, &buf->risc); - } - - /* write TS length to chip */ - cx_write(port->reg_lngth, buf->vb.width); - - if ((!(cx23885_boards[dev->board].portb & CX23885_MPEG_DVB)) && - (!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB))) { - printk("%s() Unsupported .portb/c (0x%08x)/(0x%08x)\n", - __func__, - cx23885_boards[dev->board].portb, - cx23885_boards[dev->board].portc); - return -EINVAL; - } - - if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) - cx23885_av_clk(dev, 0); - - udelay(100); - - /* If the port supports SRC SELECT, configure it */ - if (port->reg_src_sel) - cx_write(port->reg_src_sel, port->src_sel_val); - - cx_write(port->reg_hw_sop_ctrl, port->hw_sop_ctrl_val); - cx_write(port->reg_ts_clk_en, port->ts_clk_en_val); - cx_write(port->reg_vld_misc, port->vld_misc_val); - cx_write(port->reg_gen_ctrl, port->gen_ctrl_val); - udelay(100); - - /* NOTE: this is 2 (reserved) for portb, does it matter? */ - /* reset counter to zero */ - cx_write(port->reg_gpcnt_ctl, 3); - q->count = 1; - - /* Set VIDB pins to input */ - if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) { - reg = cx_read(PAD_CTRL); - reg &= ~0x3; /* Clear TS1_OE & TS1_SOP_OE */ - cx_write(PAD_CTRL, reg); - } - - /* Set VIDC pins to input */ - if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) { - reg = cx_read(PAD_CTRL); - reg &= ~0x4; /* Clear TS2_SOP_OE */ - cx_write(PAD_CTRL, reg); - } - - if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) { - - reg = cx_read(PAD_CTRL); - reg = reg & ~0x1; /* Clear TS1_OE */ - - /* FIXME, bit 2 writing here is questionable */ - /* set TS1_SOP_OE and TS1_OE_HI */ - reg = reg | 0xa; - cx_write(PAD_CTRL, reg); - - /* FIXME and these two registers should be documented. */ - cx_write(CLK_DELAY, cx_read(CLK_DELAY) | 0x80000011); - cx_write(ALT_PIN_OUT_SEL, 0x10100045); - } - - switch (dev->bridge) { - case CX23885_BRIDGE_885: - case CX23885_BRIDGE_887: - case CX23885_BRIDGE_888: - /* enable irqs */ - dprintk(1, "%s() enabling TS int's and DMA\n", __func__); - cx_set(port->reg_ts_int_msk, port->ts_int_msk_val); - cx_set(port->reg_dma_ctl, port->dma_ctl_val); - cx23885_irq_add(dev, port->pci_irqmask); - cx23885_irq_enable_all(dev); - break; - default: - BUG(); - } - - cx_set(DEV_CNTRL2, (1<<5)); /* Enable RISC controller */ - - if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) - cx23885_av_clk(dev, 1); - - if (debug > 4) - cx23885_tsport_reg_dump(port); - - return 0; -} - -static int cx23885_stop_dma(struct cx23885_tsport *port) -{ - struct cx23885_dev *dev = port->dev; - u32 reg; - - dprintk(1, "%s()\n", __func__); - - /* Stop interrupts and DMA */ - cx_clear(port->reg_ts_int_msk, port->ts_int_msk_val); - cx_clear(port->reg_dma_ctl, port->dma_ctl_val); - - if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) { - - reg = cx_read(PAD_CTRL); - - /* Set TS1_OE */ - reg = reg | 0x1; - - /* clear TS1_SOP_OE and TS1_OE_HI */ - reg = reg & ~0xa; - cx_write(PAD_CTRL, reg); - cx_write(port->reg_src_sel, 0); - cx_write(port->reg_gen_ctrl, 8); - - } - - if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) - cx23885_av_clk(dev, 0); - - return 0; -} - -int cx23885_restart_queue(struct cx23885_tsport *port, - struct cx23885_dmaqueue *q) -{ - struct cx23885_dev *dev = port->dev; - struct cx23885_buffer *buf; - - dprintk(5, "%s()\n", __func__); - if (list_empty(&q->active)) { - struct cx23885_buffer *prev; - prev = NULL; - - dprintk(5, "%s() queue is empty\n", __func__); - - for (;;) { - if (list_empty(&q->queued)) - return 0; - buf = list_entry(q->queued.next, struct cx23885_buffer, - vb.queue); - if (NULL == prev) { - list_del(&buf->vb.queue); - list_add_tail(&buf->vb.queue, &q->active); - cx23885_start_dma(port, q, buf); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); - dprintk(5, "[%p/%d] restart_queue - f/active\n", - buf, buf->vb.i); - - } else if (prev->vb.width == buf->vb.width && - prev->vb.height == buf->vb.height && - prev->fmt == buf->fmt) { - list_del(&buf->vb.queue); - list_add_tail(&buf->vb.queue, &q->active); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); - /* 64 bit bits 63-32 */ - prev->risc.jmp[2] = cpu_to_le32(0); - dprintk(5, "[%p/%d] restart_queue - m/active\n", - buf, buf->vb.i); - } else { - return 0; - } - prev = buf; - } - return 0; - } - - buf = list_entry(q->active.next, struct cx23885_buffer, vb.queue); - dprintk(2, "restart_queue [%p/%d]: restart dma\n", - buf, buf->vb.i); - cx23885_start_dma(port, q, buf); - list_for_each_entry(buf, &q->active, vb.queue) - buf->count = q->count++; - mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); - return 0; -} - -/* ------------------------------------------------------------------ */ - -int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port, - struct cx23885_buffer *buf, enum v4l2_field field) -{ - struct cx23885_dev *dev = port->dev; - int size = port->ts_packet_size * port->ts_packet_count; - int rc; - - dprintk(1, "%s: %p\n", __func__, buf); - if (0 != buf->vb.baddr && buf->vb.bsize < size) - return -EINVAL; - - if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { - buf->vb.width = port->ts_packet_size; - buf->vb.height = port->ts_packet_count; - buf->vb.size = size; - buf->vb.field = field /*V4L2_FIELD_TOP*/; - - rc = videobuf_iolock(q, &buf->vb, NULL); - if (0 != rc) - goto fail; - cx23885_risc_databuffer(dev->pci, &buf->risc, - videobuf_to_dma(&buf->vb)->sglist, - buf->vb.width, buf->vb.height, 0); - } - buf->vb.state = VIDEOBUF_PREPARED; - return 0; - - fail: - cx23885_free_buffer(q, buf); - return rc; -} - -void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf) -{ - struct cx23885_buffer *prev; - struct cx23885_dev *dev = port->dev; - struct cx23885_dmaqueue *cx88q = &port->mpegq; - - /* add jump to stopper */ - buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); - buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); - buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ - - if (list_empty(&cx88q->active)) { - dprintk(1, "queue is empty - first active\n"); - list_add_tail(&buf->vb.queue, &cx88q->active); - cx23885_start_dma(port, cx88q, buf); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = cx88q->count++; - mod_timer(&cx88q->timeout, jiffies + BUFFER_TIMEOUT); - dprintk(1, "[%p/%d] %s - first active\n", - buf, buf->vb.i, __func__); - } else { - dprintk(1, "queue is not empty - append to active\n"); - prev = list_entry(cx88q->active.prev, struct cx23885_buffer, - vb.queue); - list_add_tail(&buf->vb.queue, &cx88q->active); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = cx88q->count++; - prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); - prev->risc.jmp[2] = cpu_to_le32(0); /* 64 bit bits 63-32 */ - dprintk(1, "[%p/%d] %s - append to active\n", - buf, buf->vb.i, __func__); - } -} - -/* ----------------------------------------------------------- */ - -static void do_cancel_buffers(struct cx23885_tsport *port, char *reason, - int restart) -{ - struct cx23885_dev *dev = port->dev; - struct cx23885_dmaqueue *q = &port->mpegq; - struct cx23885_buffer *buf; - unsigned long flags; - - spin_lock_irqsave(&port->slock, flags); - while (!list_empty(&q->active)) { - buf = list_entry(q->active.next, struct cx23885_buffer, - vb.queue); - list_del(&buf->vb.queue); - buf->vb.state = VIDEOBUF_ERROR; - wake_up(&buf->vb.done); - dprintk(1, "[%p/%d] %s - dma=0x%08lx\n", - buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); - } - if (restart) { - dprintk(1, "restarting queue\n"); - cx23885_restart_queue(port, q); - } - spin_unlock_irqrestore(&port->slock, flags); -} - -void cx23885_cancel_buffers(struct cx23885_tsport *port) -{ - struct cx23885_dev *dev = port->dev; - struct cx23885_dmaqueue *q = &port->mpegq; - - dprintk(1, "%s()\n", __func__); - del_timer_sync(&q->timeout); - cx23885_stop_dma(port); - do_cancel_buffers(port, "cancel", 0); -} - -static void cx23885_timeout(unsigned long data) -{ - struct cx23885_tsport *port = (struct cx23885_tsport *)data; - struct cx23885_dev *dev = port->dev; - - dprintk(1, "%s()\n", __func__); - - if (debug > 5) - cx23885_sram_channel_dump(dev, - &dev->sram_channels[port->sram_chno]); - - cx23885_stop_dma(port); - do_cancel_buffers(port, "timeout", 1); -} - -int cx23885_irq_417(struct cx23885_dev *dev, u32 status) -{ - /* FIXME: port1 assumption here. */ - struct cx23885_tsport *port = &dev->ts1; - int count = 0; - int handled = 0; - - if (status == 0) - return handled; - - count = cx_read(port->reg_gpcnt); - dprintk(7, "status: 0x%08x mask: 0x%08x count: 0x%x\n", - status, cx_read(port->reg_ts_int_msk), count); - - if ((status & VID_B_MSK_BAD_PKT) || - (status & VID_B_MSK_OPC_ERR) || - (status & VID_B_MSK_VBI_OPC_ERR) || - (status & VID_B_MSK_SYNC) || - (status & VID_B_MSK_VBI_SYNC) || - (status & VID_B_MSK_OF) || - (status & VID_B_MSK_VBI_OF)) { - printk(KERN_ERR "%s: V4L mpeg risc op code error, status " - "= 0x%x\n", dev->name, status); - if (status & VID_B_MSK_BAD_PKT) - dprintk(1, " VID_B_MSK_BAD_PKT\n"); - if (status & VID_B_MSK_OPC_ERR) - dprintk(1, " VID_B_MSK_OPC_ERR\n"); - if (status & VID_B_MSK_VBI_OPC_ERR) - dprintk(1, " VID_B_MSK_VBI_OPC_ERR\n"); - if (status & VID_B_MSK_SYNC) - dprintk(1, " VID_B_MSK_SYNC\n"); - if (status & VID_B_MSK_VBI_SYNC) - dprintk(1, " VID_B_MSK_VBI_SYNC\n"); - if (status & VID_B_MSK_OF) - dprintk(1, " VID_B_MSK_OF\n"); - if (status & VID_B_MSK_VBI_OF) - dprintk(1, " VID_B_MSK_VBI_OF\n"); - - cx_clear(port->reg_dma_ctl, port->dma_ctl_val); - cx23885_sram_channel_dump(dev, - &dev->sram_channels[port->sram_chno]); - cx23885_417_check_encoder(dev); - } else if (status & VID_B_MSK_RISCI1) { - dprintk(7, " VID_B_MSK_RISCI1\n"); - spin_lock(&port->slock); - cx23885_wakeup(port, &port->mpegq, count); - spin_unlock(&port->slock); - } else if (status & VID_B_MSK_RISCI2) { - dprintk(7, " VID_B_MSK_RISCI2\n"); - spin_lock(&port->slock); - cx23885_restart_queue(port, &port->mpegq); - spin_unlock(&port->slock); - } - if (status) { - cx_write(port->reg_ts_int_stat, status); - handled = 1; - } - - return handled; -} - -static int cx23885_irq_ts(struct cx23885_tsport *port, u32 status) -{ - struct cx23885_dev *dev = port->dev; - int handled = 0; - u32 count; - - if ((status & VID_BC_MSK_OPC_ERR) || - (status & VID_BC_MSK_BAD_PKT) || - (status & VID_BC_MSK_SYNC) || - (status & VID_BC_MSK_OF)) { - - if (status & VID_BC_MSK_OPC_ERR) - dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", - VID_BC_MSK_OPC_ERR); - - if (status & VID_BC_MSK_BAD_PKT) - dprintk(7, " (VID_BC_MSK_BAD_PKT 0x%08x)\n", - VID_BC_MSK_BAD_PKT); - - if (status & VID_BC_MSK_SYNC) - dprintk(7, " (VID_BC_MSK_SYNC 0x%08x)\n", - VID_BC_MSK_SYNC); - - if (status & VID_BC_MSK_OF) - dprintk(7, " (VID_BC_MSK_OF 0x%08x)\n", - VID_BC_MSK_OF); - - printk(KERN_ERR "%s: mpeg risc op code error\n", dev->name); - - cx_clear(port->reg_dma_ctl, port->dma_ctl_val); - cx23885_sram_channel_dump(dev, - &dev->sram_channels[port->sram_chno]); - - } else if (status & VID_BC_MSK_RISCI1) { - - dprintk(7, " (RISCI1 0x%08x)\n", VID_BC_MSK_RISCI1); - - spin_lock(&port->slock); - count = cx_read(port->reg_gpcnt); - cx23885_wakeup(port, &port->mpegq, count); - spin_unlock(&port->slock); - - } else if (status & VID_BC_MSK_RISCI2) { - - dprintk(7, " (RISCI2 0x%08x)\n", VID_BC_MSK_RISCI2); - - spin_lock(&port->slock); - cx23885_restart_queue(port, &port->mpegq); - spin_unlock(&port->slock); - - } - if (status) { - cx_write(port->reg_ts_int_stat, status); - handled = 1; - } - - return handled; -} - -static irqreturn_t cx23885_irq(int irq, void *dev_id) -{ - struct cx23885_dev *dev = dev_id; - struct cx23885_tsport *ts1 = &dev->ts1; - struct cx23885_tsport *ts2 = &dev->ts2; - u32 pci_status, pci_mask; - u32 vida_status, vida_mask; - u32 audint_status, audint_mask; - u32 ts1_status, ts1_mask; - u32 ts2_status, ts2_mask; - int vida_count = 0, ts1_count = 0, ts2_count = 0, handled = 0; - int audint_count = 0; - bool subdev_handled; - - pci_status = cx_read(PCI_INT_STAT); - pci_mask = cx23885_irq_get_mask(dev); - vida_status = cx_read(VID_A_INT_STAT); - vida_mask = cx_read(VID_A_INT_MSK); - audint_status = cx_read(AUDIO_INT_INT_STAT); - audint_mask = cx_read(AUDIO_INT_INT_MSK); - ts1_status = cx_read(VID_B_INT_STAT); - ts1_mask = cx_read(VID_B_INT_MSK); - ts2_status = cx_read(VID_C_INT_STAT); - ts2_mask = cx_read(VID_C_INT_MSK); - - if ((pci_status == 0) && (ts2_status == 0) && (ts1_status == 0)) - goto out; - - vida_count = cx_read(VID_A_GPCNT); - audint_count = cx_read(AUD_INT_A_GPCNT); - ts1_count = cx_read(ts1->reg_gpcnt); - ts2_count = cx_read(ts2->reg_gpcnt); - dprintk(7, "pci_status: 0x%08x pci_mask: 0x%08x\n", - pci_status, pci_mask); - dprintk(7, "vida_status: 0x%08x vida_mask: 0x%08x count: 0x%x\n", - vida_status, vida_mask, vida_count); - dprintk(7, "audint_status: 0x%08x audint_mask: 0x%08x count: 0x%x\n", - audint_status, audint_mask, audint_count); - dprintk(7, "ts1_status: 0x%08x ts1_mask: 0x%08x count: 0x%x\n", - ts1_status, ts1_mask, ts1_count); - dprintk(7, "ts2_status: 0x%08x ts2_mask: 0x%08x count: 0x%x\n", - ts2_status, ts2_mask, ts2_count); - - if (pci_status & (PCI_MSK_RISC_RD | PCI_MSK_RISC_WR | - PCI_MSK_AL_RD | PCI_MSK_AL_WR | PCI_MSK_APB_DMA | - PCI_MSK_VID_C | PCI_MSK_VID_B | PCI_MSK_VID_A | - PCI_MSK_AUD_INT | PCI_MSK_AUD_EXT | - PCI_MSK_GPIO0 | PCI_MSK_GPIO1 | - PCI_MSK_AV_CORE | PCI_MSK_IR)) { - - if (pci_status & PCI_MSK_RISC_RD) - dprintk(7, " (PCI_MSK_RISC_RD 0x%08x)\n", - PCI_MSK_RISC_RD); - - if (pci_status & PCI_MSK_RISC_WR) - dprintk(7, " (PCI_MSK_RISC_WR 0x%08x)\n", - PCI_MSK_RISC_WR); - - if (pci_status & PCI_MSK_AL_RD) - dprintk(7, " (PCI_MSK_AL_RD 0x%08x)\n", - PCI_MSK_AL_RD); - - if (pci_status & PCI_MSK_AL_WR) - dprintk(7, " (PCI_MSK_AL_WR 0x%08x)\n", - PCI_MSK_AL_WR); - - if (pci_status & PCI_MSK_APB_DMA) - dprintk(7, " (PCI_MSK_APB_DMA 0x%08x)\n", - PCI_MSK_APB_DMA); - - if (pci_status & PCI_MSK_VID_C) - dprintk(7, " (PCI_MSK_VID_C 0x%08x)\n", - PCI_MSK_VID_C); - - if (pci_status & PCI_MSK_VID_B) - dprintk(7, " (PCI_MSK_VID_B 0x%08x)\n", - PCI_MSK_VID_B); - - if (pci_status & PCI_MSK_VID_A) - dprintk(7, " (PCI_MSK_VID_A 0x%08x)\n", - PCI_MSK_VID_A); - - if (pci_status & PCI_MSK_AUD_INT) - dprintk(7, " (PCI_MSK_AUD_INT 0x%08x)\n", - PCI_MSK_AUD_INT); - - if (pci_status & PCI_MSK_AUD_EXT) - dprintk(7, " (PCI_MSK_AUD_EXT 0x%08x)\n", - PCI_MSK_AUD_EXT); - - if (pci_status & PCI_MSK_GPIO0) - dprintk(7, " (PCI_MSK_GPIO0 0x%08x)\n", - PCI_MSK_GPIO0); - - if (pci_status & PCI_MSK_GPIO1) - dprintk(7, " (PCI_MSK_GPIO1 0x%08x)\n", - PCI_MSK_GPIO1); - - if (pci_status & PCI_MSK_AV_CORE) - dprintk(7, " (PCI_MSK_AV_CORE 0x%08x)\n", - PCI_MSK_AV_CORE); - - if (pci_status & PCI_MSK_IR) - dprintk(7, " (PCI_MSK_IR 0x%08x)\n", - PCI_MSK_IR); - } - - if (cx23885_boards[dev->board].ci_type == 1 && - (pci_status & (PCI_MSK_GPIO1 | PCI_MSK_GPIO0))) - handled += netup_ci_slot_status(dev, pci_status); - - if (cx23885_boards[dev->board].ci_type == 2 && - (pci_status & PCI_MSK_GPIO0)) - handled += altera_ci_irq(dev); - - if (ts1_status) { - if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) - handled += cx23885_irq_ts(ts1, ts1_status); - else - if (cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER) - handled += cx23885_irq_417(dev, ts1_status); - } - - if (ts2_status) { - if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) - handled += cx23885_irq_ts(ts2, ts2_status); - else - if (cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER) - handled += cx23885_irq_417(dev, ts2_status); - } - - if (vida_status) - handled += cx23885_video_irq(dev, vida_status); - - if (audint_status) - handled += cx23885_audio_irq(dev, audint_status, audint_mask); - - if (pci_status & PCI_MSK_IR) { - subdev_handled = false; - v4l2_subdev_call(dev->sd_ir, core, interrupt_service_routine, - pci_status, &subdev_handled); - if (subdev_handled) - handled++; - } - - if ((pci_status & pci_mask) & PCI_MSK_AV_CORE) { - cx23885_irq_disable(dev, PCI_MSK_AV_CORE); - if (!schedule_work(&dev->cx25840_work)) - printk(KERN_ERR "%s: failed to set up deferred work for" - " AV Core/IR interrupt. Interrupt is disabled" - " and won't be re-enabled\n", dev->name); - handled++; - } - - if (handled) - cx_write(PCI_INT_STAT, pci_status); -out: - return IRQ_RETVAL(handled); -} - -static void cx23885_v4l2_dev_notify(struct v4l2_subdev *sd, - unsigned int notification, void *arg) -{ - struct cx23885_dev *dev; - - if (sd == NULL) - return; - - dev = to_cx23885(sd->v4l2_dev); - - switch (notification) { - case V4L2_SUBDEV_IR_RX_NOTIFY: /* Possibly called in an IRQ context */ - if (sd == dev->sd_ir) - cx23885_ir_rx_v4l2_dev_notify(sd, *(u32 *)arg); - break; - case V4L2_SUBDEV_IR_TX_NOTIFY: /* Possibly called in an IRQ context */ - if (sd == dev->sd_ir) - cx23885_ir_tx_v4l2_dev_notify(sd, *(u32 *)arg); - break; - } -} - -static void cx23885_v4l2_dev_notify_init(struct cx23885_dev *dev) -{ - INIT_WORK(&dev->cx25840_work, cx23885_av_work_handler); - INIT_WORK(&dev->ir_rx_work, cx23885_ir_rx_work_handler); - INIT_WORK(&dev->ir_tx_work, cx23885_ir_tx_work_handler); - dev->v4l2_dev.notify = cx23885_v4l2_dev_notify; -} - -static inline int encoder_on_portb(struct cx23885_dev *dev) -{ - return cx23885_boards[dev->board].portb == CX23885_MPEG_ENCODER; -} - -static inline int encoder_on_portc(struct cx23885_dev *dev) -{ - return cx23885_boards[dev->board].portc == CX23885_MPEG_ENCODER; -} - -/* Mask represents 32 different GPIOs, GPIO's are split into multiple - * registers depending on the board configuration (and whether the - * 417 encoder (wi it's own GPIO's) are present. Each GPIO bit will - * be pushed into the correct hardware register, regardless of the - * physical location. Certain registers are shared so we sanity check - * and report errors if we think we're tampering with a GPIo that might - * be assigned to the encoder (and used for the host bus). - * - * GPIO 2 thru 0 - On the cx23885 bridge - * GPIO 18 thru 3 - On the cx23417 host bus interface - * GPIO 23 thru 19 - On the cx25840 a/v core - */ -void cx23885_gpio_set(struct cx23885_dev *dev, u32 mask) -{ - if (mask & 0x7) - cx_set(GP0_IO, mask & 0x7); - - if (mask & 0x0007fff8) { - if (encoder_on_portb(dev) || encoder_on_portc(dev)) - printk(KERN_ERR - "%s: Setting GPIO on encoder ports\n", - dev->name); - cx_set(MC417_RWD, (mask & 0x0007fff8) >> 3); - } - - /* TODO: 23-19 */ - if (mask & 0x00f80000) - printk(KERN_INFO "%s: Unsupported\n", dev->name); -} - -void cx23885_gpio_clear(struct cx23885_dev *dev, u32 mask) -{ - if (mask & 0x00000007) - cx_clear(GP0_IO, mask & 0x7); - - if (mask & 0x0007fff8) { - if (encoder_on_portb(dev) || encoder_on_portc(dev)) - printk(KERN_ERR - "%s: Clearing GPIO moving on encoder ports\n", - dev->name); - cx_clear(MC417_RWD, (mask & 0x7fff8) >> 3); - } - - /* TODO: 23-19 */ - if (mask & 0x00f80000) - printk(KERN_INFO "%s: Unsupported\n", dev->name); -} - -u32 cx23885_gpio_get(struct cx23885_dev *dev, u32 mask) -{ - if (mask & 0x00000007) - return (cx_read(GP0_IO) >> 8) & mask & 0x7; - - if (mask & 0x0007fff8) { - if (encoder_on_portb(dev) || encoder_on_portc(dev)) - printk(KERN_ERR - "%s: Reading GPIO moving on encoder ports\n", - dev->name); - return (cx_read(MC417_RWD) & ((mask & 0x7fff8) >> 3)) << 3; - } - - /* TODO: 23-19 */ - if (mask & 0x00f80000) - printk(KERN_INFO "%s: Unsupported\n", dev->name); - - return 0; -} - -void cx23885_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput) -{ - if ((mask & 0x00000007) && asoutput) - cx_set(GP0_IO, (mask & 0x7) << 16); - else if ((mask & 0x00000007) && !asoutput) - cx_clear(GP0_IO, (mask & 0x7) << 16); - - if (mask & 0x0007fff8) { - if (encoder_on_portb(dev) || encoder_on_portc(dev)) - printk(KERN_ERR - "%s: Enabling GPIO on encoder ports\n", - dev->name); - } - - /* MC417_OEN is active low for output, write 1 for an input */ - if ((mask & 0x0007fff8) && asoutput) - cx_clear(MC417_OEN, (mask & 0x7fff8) >> 3); - - else if ((mask & 0x0007fff8) && !asoutput) - cx_set(MC417_OEN, (mask & 0x7fff8) >> 3); - - /* TODO: 23-19 */ -} - -static int __devinit cx23885_initdev(struct pci_dev *pci_dev, - const struct pci_device_id *pci_id) -{ - struct cx23885_dev *dev; - int err; - - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (NULL == dev) - return -ENOMEM; - - err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); - if (err < 0) - goto fail_free; - - /* Prepare to handle notifications from subdevices */ - cx23885_v4l2_dev_notify_init(dev); - - /* pci init */ - dev->pci = pci_dev; - if (pci_enable_device(pci_dev)) { - err = -EIO; - goto fail_unreg; - } - - if (cx23885_dev_setup(dev) < 0) { - err = -EINVAL; - goto fail_unreg; - } - - /* print pci info */ - dev->pci_rev = pci_dev->revision; - pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); - printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " - "latency: %d, mmio: 0x%llx\n", dev->name, - pci_name(pci_dev), dev->pci_rev, pci_dev->irq, - dev->pci_lat, - (unsigned long long)pci_resource_start(pci_dev, 0)); - - pci_set_master(pci_dev); - if (!pci_dma_supported(pci_dev, 0xffffffff)) { - printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name); - err = -EIO; - goto fail_irq; - } - - err = request_irq(pci_dev->irq, cx23885_irq, - IRQF_SHARED | IRQF_DISABLED, dev->name, dev); - if (err < 0) { - printk(KERN_ERR "%s: can't get IRQ %d\n", - dev->name, pci_dev->irq); - goto fail_irq; - } - - switch (dev->board) { - case CX23885_BOARD_NETUP_DUAL_DVBS2_CI: - cx23885_irq_add_enable(dev, PCI_MSK_GPIO1 | PCI_MSK_GPIO0); - break; - case CX23885_BOARD_NETUP_DUAL_DVB_T_C_CI_RF: - cx23885_irq_add_enable(dev, PCI_MSK_GPIO0); - break; - } - - /* - * The CX2388[58] IR controller can start firing interrupts when - * enabled, so these have to take place after the cx23885_irq() handler - * is hooked up by the call to request_irq() above. - */ - cx23885_ir_pci_int_enable(dev); - cx23885_input_init(dev); - - return 0; - -fail_irq: - cx23885_dev_unregister(dev); -fail_unreg: - v4l2_device_unregister(&dev->v4l2_dev); -fail_free: - kfree(dev); - return err; -} - -static void __devexit cx23885_finidev(struct pci_dev *pci_dev) -{ - struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); - struct cx23885_dev *dev = to_cx23885(v4l2_dev); - - cx23885_input_fini(dev); - cx23885_ir_fini(dev); - - cx23885_shutdown(dev); - - pci_disable_device(pci_dev); - - /* unregister stuff */ - free_irq(pci_dev->irq, dev); - - cx23885_dev_unregister(dev); - v4l2_device_unregister(v4l2_dev); - kfree(dev); -} - -static struct pci_device_id cx23885_pci_tbl[] = { - { - /* CX23885 */ - .vendor = 0x14f1, - .device = 0x8852, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - }, { - /* CX23887 Rev 2 */ - .vendor = 0x14f1, - .device = 0x8880, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - }, { - /* --- end of list --- */ - } -}; -MODULE_DEVICE_TABLE(pci, cx23885_pci_tbl); - -static struct pci_driver cx23885_pci_driver = { - .name = "cx23885", - .id_table = cx23885_pci_tbl, - .probe = cx23885_initdev, - .remove = __devexit_p(cx23885_finidev), - /* TODO */ - .suspend = NULL, - .resume = NULL, -}; - -static int __init cx23885_init(void) -{ - printk(KERN_INFO "cx23885 driver version %s loaded\n", - CX23885_VERSION); - return pci_register_driver(&cx23885_pci_driver); -} - -static void __exit cx23885_fini(void) -{ - pci_unregister_driver(&cx23885_pci_driver); -} - -module_init(cx23885_init); -module_exit(cx23885_fini); |