diff options
Diffstat (limited to 'linux/drivers/media/video/cx18/cx18-driver.h')
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-driver.h | 56 |
1 files changed, 30 insertions, 26 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-driver.h b/linux/drivers/media/video/cx18/cx18-driver.h index ce7680675..ca1f43781 100644 --- a/linux/drivers/media/video/cx18/cx18-driver.h +++ b/linux/drivers/media/video/cx18/cx18-driver.h @@ -4,6 +4,7 @@ * Derived from ivtv-driver.h * * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@radix.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -64,9 +65,6 @@ # error "This driver requires kernel PCI support." #endif -/* Default delay to throttle mmio access to the CX23418 */ -#define CX18_DEFAULT_MMIO_NDELAY 0 /* 0 ns = 0 PCI clock(s) / 33 MHz */ - #define CX18_MEM_OFFSET 0x00000000 #define CX18_MEM_SIZE 0x04000000 #define CX18_REG_OFFSET 0x02000000 @@ -176,7 +174,6 @@ #define CX18_MAX_PGM_INDEX (400) -extern int cx18_retry_mmio; /* enable check & retry of mmio accesses */ extern int cx18_debug; @@ -185,7 +182,6 @@ struct cx18_options { int cardtype; /* force card type on load */ int tuner; /* set tuner on load */ int radio; /* enable/disable radio */ - unsigned long mmio_ndelay; /* delay in ns after every PCI mmio access */ }; /* per-buffer bit flags */ @@ -203,8 +199,6 @@ struct cx18_options { #define CX18_F_I_EOS 4 /* End of encoder stream */ #define CX18_F_I_RADIO_USER 5 /* radio tuner is selected */ #define CX18_F_I_ENC_PAUSED 13 /* the encoder is paused */ -#define CX18_F_I_HAVE_WORK 15 /* there is work to be done */ -#define CX18_F_I_WORK_HANDLER_DVB 18 /* work to be done for DVB */ #define CX18_F_I_INITED 21 /* set after first open */ #define CX18_F_I_FAILED 22 /* set if first open failed */ @@ -219,6 +213,7 @@ struct cx18_buffer { dma_addr_t dma_handle; u32 id; unsigned long b_flags; + unsigned skipped; char *buf; u32 bytesused; @@ -247,6 +242,26 @@ struct cx18_dvb { struct cx18; /* forward reference */ struct cx18_scb; /* forward reference */ + +#define CX18_MAX_MDL_ACKS 2 +#define CX18_MAX_EPU_WORK_ORDERS 70 /* CPU_DE_RELEASE_MDL bursts 63 commands */ + +#define CX18_F_EWO_MB_STALE_UPON_RECEIPT 0x1 +#define CX18_F_EWO_MB_STALE_WHILE_PROC 0x2 +#define CX18_F_EWO_MB_STALE \ + (CX18_F_EWO_MB_STALE_UPON_RECEIPT | CX18_F_EWO_MB_STALE_WHILE_PROC) + +struct cx18_epu_work_order { + struct work_struct work; + atomic_t pending; + struct cx18 *cx; + unsigned long flags; + int rpu; + struct cx18_mailbox mb; + struct cx18_mdl_ack mdl_ack[CX18_MAX_MDL_ACKS]; + char *str; +}; + #define CX18_INVALID_TASK_HANDLE 0xffffffff struct cx18_stream { @@ -260,7 +275,7 @@ struct cx18_stream { unsigned mdl_offset; u32 id; - spinlock_t qlock; /* locks access to the queues */ + struct mutex qlock; /* locks access to the queues */ unsigned long s_flags; /* status flags, see above */ int dma; /* can be PCI_DMA_TODEVICE, PCI_DMA_FROMDEVICE or @@ -353,18 +368,6 @@ struct cx18_i2c_algo_callback_data { }; #define CX18_MAX_MMIO_WR_RETRIES 10 -#define CX18_MAX_MMIO_RD_RETRIES 2 - -struct cx18_mmio_stats { - atomic_t retried_write[CX18_MAX_MMIO_WR_RETRIES+1]; - atomic_t retried_read[CX18_MAX_MMIO_RD_RETRIES+1]; -}; - -#define CX18_MAX_MB_ACK_DELAY 100 - -struct cx18_mbox_stats { - atomic_t mb_ack_delay[CX18_MAX_MB_ACK_DELAY+1]; -}; /* Struct to hold info about cx18 cards */ struct cx18 { @@ -388,7 +391,6 @@ struct cx18 { struct mutex epu2apu_mb_lock; /* protect driver to chip mailbox in SCB*/ struct mutex epu2cpu_mb_lock; /* protect driver to chip mailbox in SCB*/ - struct cx18_av_state av_state; /* codec settings */ @@ -441,7 +443,12 @@ struct cx18 { /* when the current DMA is finished this queue is woken up */ wait_queue_head_t dma_waitq; - struct work_struct work; + u32 sw1_irq_mask; + u32 sw2_irq_mask; + u32 hw2_irq_mask; + + struct cx18_epu_work_order epu_work_order[CX18_MAX_EPU_WORK_ORDERS]; + char epu_debug_str[256]; /* CX18_EPU_DEBUG is rare: use shared space */ /* i2c */ struct i2c_adapter i2c_adap[2]; @@ -456,10 +463,6 @@ struct cx18 { u32 gpio_val; struct mutex gpio_lock; - /* Statistics */ - struct cx18_mmio_stats mmio_stats; - struct cx18_mbox_stats mbox_stats; - /* v4l2 and User settings */ /* codec settings */ @@ -475,6 +478,7 @@ extern struct cx18 *cx18_cards[]; extern int cx18_cards_active; extern int cx18_first_minor; extern spinlock_t cx18_cards_lock; +extern struct workqueue_struct *cx18_work_queue; /*==============Prototypes==================*/ |