02fa272fcb
cx18: added in cx18_ir_reset_gpio function for lirc_pvr150 like module. Also added the ability to reset the IR chip via ioctl like ivtv. This needs the mutex to protect gpio_dir and gpio_val in struct cx18 as gpio changes can come from a few different asynchronous sources now. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
148 lines
4.6 KiB
C
148 lines
4.6 KiB
C
/*
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* cx18 functions to query card hardware
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*
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* Derived from ivtv-cards.c
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*
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* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* hardware flags */
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#define CX18_HW_TUNER (1 << 0)
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#define CX18_HW_TVEEPROM (1 << 1)
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#define CX18_HW_CS5345 (1 << 2)
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#define CX18_HW_GPIO (1 << 3)
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#define CX18_HW_CX23418 (1 << 4)
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#define CX18_HW_DVB (1 << 5)
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/* video inputs */
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#define CX18_CARD_INPUT_VID_TUNER 1
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#define CX18_CARD_INPUT_SVIDEO1 2
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#define CX18_CARD_INPUT_SVIDEO2 3
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#define CX18_CARD_INPUT_COMPOSITE1 4
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#define CX18_CARD_INPUT_COMPOSITE2 5
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#define CX18_CARD_INPUT_COMPOSITE3 6
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/* audio inputs */
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#define CX18_CARD_INPUT_AUD_TUNER 1
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#define CX18_CARD_INPUT_LINE_IN1 2
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#define CX18_CARD_INPUT_LINE_IN2 3
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#define CX18_CARD_MAX_VIDEO_INPUTS 6
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#define CX18_CARD_MAX_AUDIO_INPUTS 3
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#define CX18_CARD_MAX_TUNERS 2
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/* V4L2 capability aliases */
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#define CX18_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \
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V4L2_CAP_AUDIO | V4L2_CAP_READWRITE)
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/* | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE) not yet */
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struct cx18_card_video_input {
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u8 video_type; /* video input type */
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u8 audio_index; /* index in cx18_card_audio_input array */
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u16 video_input; /* hardware video input */
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};
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struct cx18_card_audio_input {
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u8 audio_type; /* audio input type */
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u32 audio_input; /* hardware audio input */
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u16 muxer_input; /* hardware muxer input for boards with a
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multiplexer chip */
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};
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struct cx18_card_pci_info {
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u16 device;
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u16 subsystem_vendor;
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u16 subsystem_device;
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};
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/* GPIO definitions */
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/* The mask is the set of bits used by the operation */
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struct cx18_gpio_init { /* set initial GPIO DIR and OUT values */
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u32 direction; /* DIR setting. Leave to 0 if no init is needed */
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u32 initial_value;
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};
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struct cx18_gpio_i2c_slave_reset {
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u32 active_lo_mask; /* GPIO outputs that reset i2c chips when low */
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u32 active_hi_mask; /* GPIO outputs that reset i2c chips when high */
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int msecs_asserted; /* time period reset must remain asserted */
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int msecs_recovery; /* time after deassert for chips to be ready */
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u32 ir_reset_mask; /* GPIO to reset the Zilog Z8F0811 IR contoller */
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};
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struct cx18_gpio_audio_input { /* select tuner/line in input */
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u32 mask; /* leave to 0 if not supported */
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u32 tuner;
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u32 linein;
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u32 radio;
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};
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struct cx18_card_tuner {
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v4l2_std_id std; /* standard for which the tuner is suitable */
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int tuner; /* tuner ID (from tuner.h) */
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};
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struct cx18_card_tuner_i2c {
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unsigned short radio[2];/* radio tuner i2c address to probe */
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unsigned short demod[2];/* demodulator i2c address to probe */
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unsigned short tv[4]; /* tv tuner i2c addresses to probe */
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};
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struct cx18_ddr { /* DDR config data */
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u32 chip_config;
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u32 refresh;
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u32 timing1;
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u32 timing2;
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u32 tune_lane;
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u32 initial_emrs;
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};
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/* for card information/parameters */
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struct cx18_card {
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int type;
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char *name;
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char *comment;
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u32 v4l2_capabilities;
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u32 hw_audio_ctrl; /* hardware used for the V4L2 controls (only
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1 dev allowed) */
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u32 hw_muxer; /* hardware used to multiplex audio input */
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u32 hw_all; /* all hardware used by the board */
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struct cx18_card_video_input video_inputs[CX18_CARD_MAX_VIDEO_INPUTS];
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struct cx18_card_audio_input audio_inputs[CX18_CARD_MAX_AUDIO_INPUTS];
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struct cx18_card_audio_input radio_input;
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/* GPIO card-specific settings */
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u8 xceive_pin; /* XCeive tuner GPIO reset pin */
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struct cx18_gpio_init gpio_init;
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struct cx18_gpio_i2c_slave_reset gpio_i2c_slave_reset;
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struct cx18_gpio_audio_input gpio_audio_input;
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struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS];
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struct cx18_card_tuner_i2c *i2c;
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struct cx18_ddr ddr;
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/* list of device and subsystem vendor/devices that
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correspond to this card type. */
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const struct cx18_card_pci_info *pci_list;
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};
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int cx18_get_input(struct cx18 *cx, u16 index, struct v4l2_input *input);
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int cx18_get_audio_input(struct cx18 *cx, u16 index, struct v4l2_audio *input);
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const struct cx18_card *cx18_get_card(u16 index);
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