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Commit 9dcbf35a authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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V4L/DVB (7887): cx18: fix Compro H900 analog support.



Tuner, S-Video and Composite are all working for the Compro H900.

Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 6db6ae21
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+7 −5
Original line number Diff line number Diff line
@@ -135,14 +135,15 @@ static const struct cx18_card_pci_info cx18_pci_h900[] = {
static const struct cx18_card cx18_card_h900 = {
	.type = CX18_CARD_COMPRO_H900,
	.name = "Compro VideoMate H900",
	.comment = "Not yet supported!\n",
	.v4l2_capabilities = 0,
	.comment = "DVB & VBI are not yet supported\n",
	.v4l2_capabilities = CX18_CAP_ENCODER,
	.hw_audio_ctrl = CX18_HW_CX23418,
	.hw_all = CX18_HW_TUNER,
	.video_inputs = {
		{ CX18_CARD_INPUT_VID_TUNER,  0, CX23418_COMPOSITE7 },
		{ CX18_CARD_INPUT_SVIDEO1,    1, CX23418_SVIDEO1    },
		{ CX18_CARD_INPUT_COMPOSITE1, 1, CX23418_COMPOSITE3 },
		{ CX18_CARD_INPUT_VID_TUNER,  0, CX23418_COMPOSITE2 },
		{ CX18_CARD_INPUT_SVIDEO1,    1,
			CX23418_SVIDEO_LUMA3 | CX23418_SVIDEO_CHROMA4 },
		{ CX18_CARD_INPUT_COMPOSITE1, 1, CX23418_COMPOSITE1 },
	},
	.audio_inputs = {
		{ CX18_CARD_INPUT_AUD_TUNER,
@@ -164,6 +165,7 @@ static const struct cx18_card cx18_card_h900 = {
		.tune_lane = 0,
		.initial_emrs = 0,
	},
	.xceive_pin = 15,
	.pci_list = cx18_pci_h900,
	.i2c = &cx18_i2c_std,
};
+3 −2
Original line number Diff line number Diff line
@@ -114,8 +114,8 @@ struct cx18_card_pci_info {
/* The mask is the set of bits used by the operation */

struct cx18_gpio_init { /* set initial GPIO DIR and OUT values */
	u16 direction; 	/* DIR setting. Leave to 0 if no init is needed */
	u16 initial_value;
	u32 direction; 	/* DIR setting. Leave to 0 if no init is needed */
	u32 initial_value;
};

struct cx18_card_tuner {
@@ -153,6 +153,7 @@ struct cx18_card {
	struct cx18_card_audio_input radio_input;

	/* GPIO card-specific settings */
	u8 xceive_pin; 		/* XCeive tuner GPIO reset pin */
	struct cx18_gpio_init 		gpio_init;

	struct cx18_card_tuner tuners[CX18_CARD_MAX_TUNERS];
+36 −11
Original line number Diff line number Diff line
@@ -35,6 +35,9 @@
#define CX18_REG_GPIO_OUT2   0xc78104
#define CX18_REG_GPIO_DIR2   0xc7810c

static u32 gpio_dir;
static u32 gpio_val;

/*
 * HVR-1600 GPIO pins, courtesy of Hauppauge:
 *
@@ -44,31 +47,53 @@
 * gpio13: cs5345 reset pin
*/

static void gpio_write(struct cx18 *cx)
{
	write_reg((gpio_dir & 0xffff) << 16, CX18_REG_GPIO_DIR1);
	write_reg(((gpio_dir & 0xffff) << 16) | (gpio_val & 0xffff),
			CX18_REG_GPIO_OUT1);
	write_reg(gpio_dir & 0xffff0000, CX18_REG_GPIO_DIR2);
	write_reg((gpio_dir & 0xffff0000) | ((gpio_val & 0xffff0000) >> 16),
			CX18_REG_GPIO_OUT2);
}

void cx18_gpio_init(struct cx18 *cx)
{
	if (cx->card->gpio_init.direction == 0)
	gpio_dir = cx->card->gpio_init.direction;
	gpio_val = cx->card->gpio_init.initial_value;

	if (gpio_dir == 0)
		return;

	CX18_DEBUG_INFO("GPIO initial dir: %08x out: %08x\n",
		   read_reg(CX18_REG_GPIO_DIR1), read_reg(CX18_REG_GPIO_OUT1));
	gpio_dir |= 1 << cx->card->xceive_pin;
	gpio_val |= 1 << cx->card->xceive_pin;

	/* init output data then direction */
	write_reg(cx->card->gpio_init.direction << 16, CX18_REG_GPIO_DIR1);
	write_reg(0, CX18_REG_GPIO_DIR2);
	write_reg((cx->card->gpio_init.direction << 16) |
			cx->card->gpio_init.initial_value, CX18_REG_GPIO_OUT1);
	write_reg(0, CX18_REG_GPIO_OUT2);
	CX18_DEBUG_INFO("GPIO initial dir: %08x/%08x out: %08x/%08x\n",
		   read_reg(CX18_REG_GPIO_DIR1), read_reg(CX18_REG_GPIO_DIR2),
		   read_reg(CX18_REG_GPIO_OUT1), read_reg(CX18_REG_GPIO_OUT2));

	gpio_write(cx);
}

/* Xceive tuner reset function */
int cx18_reset_tuner_gpio(void *dev, int cmd, int value)
{
	struct i2c_algo_bit_data *algo = dev;
	struct cx18 *cx = algo->data;
/*	int curdir, curout;*/
	struct cx18_i2c_algo_callback_data *cb_data = algo->data;
	struct cx18 *cx = cb_data->cx;

	if (cmd != XC2028_TUNER_RESET)
		return 0;
	CX18_DEBUG_INFO("Resetting tuner\n");

	gpio_dir |= 1 << cx->card->xceive_pin;
	gpio_val &= ~(1 << cx->card->xceive_pin);

	gpio_write(cx);
	schedule_timeout_interruptible(msecs_to_jiffies(1));

	gpio_val |= 1 << cx->card->xceive_pin;
	gpio_write(cx);
	schedule_timeout_interruptible(msecs_to_jiffies(1));
	return 0;
}