diff options
Diffstat (limited to 'linux/drivers/media/video/cx18/cx18-driver.c')
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-driver.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-driver.c b/linux/drivers/media/video/cx18/cx18-driver.c index 359b74f2a..de2e7bc98 100644 --- a/linux/drivers/media/video/cx18/cx18-driver.c +++ b/linux/drivers/media/video/cx18/cx18-driver.c @@ -4,6 +4,7 @@ * Derived from ivtv-driver.c * * 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 @@ -74,10 +75,14 @@ static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }; - +static int mmio_ndelay[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1 }; static int cardtype_c = 1; static int tuner_c = 1; static int radio_c = 1; +static int mmio_ndelay_c = 1; static char pal[] = "--"; static char secam[] = "--"; static char ntsc[] = "-"; @@ -96,6 +101,7 @@ int cx18_debug; module_param_array(tuner, int, &tuner_c, 0644); module_param_array(radio, bool, &radio_c, 0644); module_param_array(cardtype, int, &cardtype_c, 0644); +module_param_array(mmio_ndelay, int, &mmio_ndelay_c, 0644); module_param_string(pal, pal, sizeof(pal), 0644); module_param_string(secam, secam, sizeof(secam), 0644); module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); @@ -141,6 +147,11 @@ MODULE_PARM_DESC(debug, MODULE_PARM_DESC(cx18_pci_latency, "Change the PCI latency to 64 if lower: 0 = No, 1 = Yes,\n" "\t\t\tDefault: Yes"); +MODULE_PARM_DESC(mmio_ndelay, + "Delay (ns) for each CX23418 memory mapped IO access.\n" + "\t\t\tTry larger values that are close to a multiple of the\n" + "\t\t\tPCI clock period, 30.3 ns, if your card doesn't work.\n" + "\t\t\tDefault: " __stringify(CX18_DEFAULT_MMIO_NDELAY)); MODULE_PARM_DESC(enc_mpg_buffers, "Encoder MPG Buffers (in MB)\n" "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_MPG_BUFFERS)); @@ -357,6 +368,11 @@ static void cx18_process_options(struct cx18 *cx) cx->options.tuner = tuner[cx->num]; cx->options.radio = radio[cx->num]; + if (mmio_ndelay[cx->num] < 0) + cx->options.mmio_ndelay = CX18_DEFAULT_MMIO_NDELAY; + else + cx->options.mmio_ndelay = mmio_ndelay[cx->num]; + cx->std = cx18_parse_std(cx); if (cx->options.cardtype == -1) { CX18_INFO("Ignore card\n"); |