aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/video/vpx3220.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/vpx3220.c')
-rw-r--r--drivers/media/video/vpx3220.c601
1 files changed, 0 insertions, 601 deletions
diff --git a/drivers/media/video/vpx3220.c b/drivers/media/video/vpx3220.c
deleted file mode 100644
index 67aa0db4b81..00000000000
--- a/drivers/media/video/vpx3220.c
+++ /dev/null
@@ -1,601 +0,0 @@
-/*
- * vpx3220a, vpx3216b & vpx3214c video decoder driver version 0.0.1
- *
- * Copyright (C) 2001 Laurent Pinchart <lpinchart@freegates.be>
- *
- * 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/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/types.h>
-#include <asm/uaccess.h>
-#include <linux/i2c.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-i2c-drv-legacy.h>
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
-
-MODULE_DESCRIPTION("vpx3220a/vpx3216b/vpx3214c video decoder driver");
-MODULE_AUTHOR("Laurent Pinchart");
-MODULE_LICENSE("GPL");
-
-static int debug;
-module_param(debug, int, 0);
-MODULE_PARM_DESC(debug, "Debug level (0-1)");
-
-#define VPX_TIMEOUT_COUNT 10
-
-/* ----------------------------------------------------------------------- */
-
-struct vpx3220 {
- unsigned char reg[255];
-
- int norm;
- int input;
- int enable;
- int bright;
- int contrast;
- int hue;
- int sat;
-};
-
-static char *inputs[] = { "internal", "composite", "svideo" };
-
-/* ----------------------------------------------------------------------- */
-
-static inline int vpx3220_write(struct i2c_client *client, u8 reg, u8 value)
-{
- struct vpx3220 *decoder = i2c_get_clientdata(client);
-
- decoder->reg[reg] = value;
- return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-static inline int vpx3220_read(struct i2c_client *client, u8 reg)
-{
- return i2c_smbus_read_byte_data(client, reg);
-}
-
-static int vpx3220_fp_status(struct i2c_client *client)
-{
- unsigned char status;
- unsigned int i;
-
- for (i = 0; i < VPX_TIMEOUT_COUNT; i++) {
- status = vpx3220_read(client, 0x29);
-
- if (!(status & 4))
- return 0;
-
- udelay(10);
-
- if (need_resched())
- cond_resched();
- }
-
- return -1;
-}
-
-static int vpx3220_fp_write(struct i2c_client *client, u8 fpaddr, u16 data)
-{
- /* Write the 16-bit address to the FPWR register */
- if (i2c_smbus_write_word_data(client, 0x27, swab16(fpaddr)) == -1) {
- v4l_dbg(1, debug, client, "%s: failed\n", __func__);
- return -1;
- }
-
- if (vpx3220_fp_status(client) < 0)
- return -1;
-
- /* Write the 16-bit data to the FPDAT register */
- if (i2c_smbus_write_word_data(client, 0x28, swab16(data)) == -1) {
- v4l_dbg(1, debug, client, "%s: failed\n", __func__);
- return -1;
- }
-
- return 0;
-}
-
-static u16 vpx3220_fp_read(struct i2c_client *client, u16 fpaddr)
-{
- s16 data;
-
- /* Write the 16-bit address to the FPRD register */
- if (i2c_smbus_write_word_data(client, 0x26, swab16(fpaddr)) == -1) {
- v4l_dbg(1, debug, client, "%s: failed\n", __func__);
- return -1;
- }
-
- if (vpx3220_fp_status(client) < 0)
- return -1;
-
- /* Read the 16-bit data from the FPDAT register */
- data = i2c_smbus_read_word_data(client, 0x28);
- if (data == -1) {
- v4l_dbg(1, debug, client, "%s: failed\n", __func__);
- return -1;
- }
-
- return swab16(data);
-}
-
-static int vpx3220_write_block(struct i2c_client *client, const u8 *data, unsigned int len)
-{
- u8 reg;
- int ret = -1;
-
- while (len >= 2) {
- reg = *data++;
- ret = vpx3220_write(client, reg, *data++);
- if (ret < 0)
- break;
- len -= 2;
- }
-
- return ret;
-}
-
-static int vpx3220_write_fp_block(struct i2c_client *client,
- const u16 *data, unsigned int len)
-{
- u8 reg;
- int ret = 0;
-
- while (len > 1) {
- reg = *data++;
- ret |= vpx3220_fp_write(client, reg, *data++);
- len -= 2;
- }
-
- return ret;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static const unsigned short init_ntsc[] = {
- 0x1c, 0x00, /* NTSC tint angle */
- 0x88, 17, /* Window 1 vertical */
- 0x89, 240, /* Vertical lines in */
- 0x8a, 240, /* Vertical lines out */
- 0x8b, 000, /* Horizontal begin */
- 0x8c, 640, /* Horizontal length */
- 0x8d, 640, /* Number of pixels */
- 0x8f, 0xc00, /* Disable window 2 */
- 0xf0, 0x73, /* 13.5 MHz transport, Forced
- * mode, latch windows */
- 0xf2, 0x13, /* NTSC M, composite input */
- 0xe7, 0x1e1, /* Enable vertical standard
- * locking @ 240 lines */
-};
-
-static const unsigned short init_pal[] = {
- 0x88, 23, /* Window 1 vertical begin */
- 0x89, 288, /* Vertical lines in (16 lines
- * skipped by the VFE) */
- 0x8a, 288, /* Vertical lines out (16 lines
- * skipped by the VFE) */
- 0x8b, 16, /* Horizontal begin */
- 0x8c, 768, /* Horizontal length */
- 0x8d, 784, /* Number of pixels
- * Must be >= Horizontal begin + Horizontal length */
- 0x8f, 0xc00, /* Disable window 2 */
- 0xf0, 0x77, /* 13.5 MHz transport, Forced
- * mode, latch windows */
- 0xf2, 0x3d1, /* PAL B,G,H,I, composite input */
- 0xe7, 0x241, /* PAL/SECAM set to 288 lines */
-};
-
-static const unsigned short init_secam[] = {
- 0x88, 23, /* Window 1 vertical begin */
- 0x89, 288, /* Vertical lines in (16 lines
- * skipped by the VFE) */
- 0x8a, 288, /* Vertical lines out (16 lines
- * skipped by the VFE) */
- 0x8b, 16, /* Horizontal begin */
- 0x8c, 768, /* Horizontal length */
- 0x8d, 784, /* Number of pixels
- * Must be >= Horizontal begin + Horizontal length */
- 0x8f, 0xc00, /* Disable window 2 */
- 0xf0, 0x77, /* 13.5 MHz transport, Forced
- * mode, latch windows */
- 0xf2, 0x3d5, /* SECAM, composite input */
- 0xe7, 0x241, /* PAL/SECAM set to 288 lines */
-};
-
-static const unsigned char init_common[] = {
- 0xf2, 0x00, /* Disable all outputs */
- 0x33, 0x0d, /* Luma : VIN2, Chroma : CIN
- * (clamp off) */
- 0xd8, 0xa8, /* HREF/VREF active high, VREF
- * pulse = 2, Odd/Even flag */
- 0x20, 0x03, /* IF compensation 0dB/oct */
- 0xe0, 0xff, /* Open up all comparators */
- 0xe1, 0x00,
- 0xe2, 0x7f,
- 0xe3, 0x80,
- 0xe4, 0x7f,
- 0xe5, 0x80,
- 0xe6, 0x00, /* Brightness set to 0 */
- 0xe7, 0xe0, /* Contrast to 1.0, noise shaping
- * 10 to 8 2-bit error diffusion */
- 0xe8, 0xf8, /* YUV422, CbCr binary offset,
- * ... (p.32) */
- 0xea, 0x18, /* LLC2 connected, output FIFO
- * reset with VACTintern */
- 0xf0, 0x8a, /* Half full level to 10, bus
- * shuffler [7:0, 23:16, 15:8] */
- 0xf1, 0x18, /* Single clock, sync mode, no
- * FE delay, no HLEN counter */
- 0xf8, 0x12, /* Port A, PIXCLK, HF# & FE#
- * strength to 2 */
- 0xf9, 0x24, /* Port B, HREF, VREF, PREF &
- * ALPHA strength to 4 */
-};
-
-static const unsigned short init_fp[] = {
- 0x59, 0,
- 0xa0, 2070, /* ACC reference */
- 0xa3, 0,
- 0xa4, 0,
- 0xa8, 30,
- 0xb2, 768,
- 0xbe, 27,
- 0x58, 0,
- 0x26, 0,
- 0x4b, 0x298, /* PLL gain */
-};
-
-static void vpx3220_dump_i2c(struct i2c_client *client)
-{
- int len = sizeof(init_common);
- const unsigned char *data = init_common;
-
- while (len > 1) {
- v4l_dbg(1, debug, client, "i2c reg 0x%02x data 0x%02x\n",
- *data, vpx3220_read(client, *data));
- data += 2;
- len -= 2;
- }
-}
-
-static int vpx3220_command(struct i2c_client *client, unsigned cmd, void *arg)
-{
- struct vpx3220 *decoder = i2c_get_clientdata(client);
-
- switch (cmd) {
- case 0:
- {
- vpx3220_write_block(client, init_common,
- sizeof(init_common));
- vpx3220_write_fp_block(client, init_fp,
- sizeof(init_fp) >> 1);
- switch (decoder->norm) {
- case VIDEO_MODE_NTSC:
- vpx3220_write_fp_block(client, init_ntsc,
- sizeof(init_ntsc) >> 1);
- break;
-
- case VIDEO_MODE_PAL:
- vpx3220_write_fp_block(client, init_pal,
- sizeof(init_pal) >> 1);
- break;
- case VIDEO_MODE_SECAM:
- vpx3220_write_fp_block(client, init_secam,
- sizeof(init_secam) >> 1);
- break;
- default:
- vpx3220_write_fp_block(client, init_pal,
- sizeof(init_pal) >> 1);
- break;
- }
- break;
- }
-
- case DECODER_DUMP:
- {
- vpx3220_dump_i2c(client);
- break;
- }
-
- case DECODER_GET_CAPABILITIES:
- {
- struct video_decoder_capability *cap = arg;
-
- v4l_dbg(1, debug, client, "DECODER_GET_CAPABILITIES\n");
-
- cap->flags = VIDEO_DECODER_PAL |
- VIDEO_DECODER_NTSC |
- VIDEO_DECODER_SECAM |
- VIDEO_DECODER_AUTO |
- VIDEO_DECODER_CCIR;
- cap->inputs = 3;
- cap->outputs = 1;
- break;
- }
-
- case DECODER_GET_STATUS:
- {
- int res = 0, status;
-
- v4l_dbg(1, debug, client, "DECODER_GET_STATUS\n");
-
- status = vpx3220_fp_read(client, 0x0f3);
-
- v4l_dbg(1, debug, client, "status: 0x%04x\n", status);
-
- if (status < 0)
- return status;
-
- if ((status & 0x20) == 0) {
- res |= DECODER_STATUS_GOOD | DECODER_STATUS_COLOR;
-
- switch (status & 0x18) {
- case 0x00:
- case 0x10:
- case 0x14:
- case 0x18:
- res |= DECODER_STATUS_PAL;
- break;
-
- case 0x08:
- res |= DECODER_STATUS_SECAM;
- break;
-
- case 0x04:
- case 0x0c:
- case 0x1c:
- res |= DECODER_STATUS_NTSC;
- break;
- }
- }
-
- *(int *) arg = res;
- break;
- }
-
- case DECODER_SET_NORM:
- {
- int *iarg = arg, data;
- int temp_input;
-
- /* Here we back up the input selection because it gets
- overwritten when we fill the registers with the
- choosen video norm */
- temp_input = vpx3220_fp_read(client, 0xf2);
-
- v4l_dbg(1, debug, client, "DECODER_SET_NORM %d\n", *iarg);
- switch (*iarg) {
- case VIDEO_MODE_NTSC:
- vpx3220_write_fp_block(client, init_ntsc,
- sizeof(init_ntsc) >> 1);
- v4l_dbg(1, debug, client, "norm switched to NTSC\n");
- break;
-
- case VIDEO_MODE_PAL:
- vpx3220_write_fp_block(client, init_pal,
- sizeof(init_pal) >> 1);
- v4l_dbg(1, debug, client, "norm switched to PAL\n");
- break;
-
- case VIDEO_MODE_SECAM:
- vpx3220_write_fp_block(client, init_secam,
- sizeof(init_secam) >> 1);
- v4l_dbg(1, debug, client, "norm switched to SECAM\n");
- break;
-
- case VIDEO_MODE_AUTO:
- /* FIXME This is only preliminary support */
- data = vpx3220_fp_read(client, 0xf2) & 0x20;
- vpx3220_fp_write(client, 0xf2, 0x00c0 | data);
- v4l_dbg(1, debug, client, "norm switched to AUTO\n");
- break;
-
- default:
- return -EINVAL;
- }
- decoder->norm = *iarg;
-
- /* And here we set the backed up video input again */
- vpx3220_fp_write(client, 0xf2, temp_input | 0x0010);
- udelay(10);
- break;
- }
-
- case DECODER_SET_INPUT:
- {
- int *iarg = arg, data;
-
- /* RJ: *iarg = 0: ST8 (PCTV) input
- *iarg = 1: COMPOSITE input
- *iarg = 2: SVHS input */
-
- const int input[3][2] = {
- {0x0c, 0},
- {0x0d, 0},
- {0x0e, 1}
- };
-
- if (*iarg < 0 || *iarg > 2)
- return -EINVAL;
-
- v4l_dbg(1, debug, client, "input switched to %s\n", inputs[*iarg]);
-
- vpx3220_write(client, 0x33, input[*iarg][0]);
-
- data = vpx3220_fp_read(client, 0xf2) & ~(0x0020);
- if (data < 0)
- return data;
- /* 0x0010 is required to latch the setting */
- vpx3220_fp_write(client, 0xf2,
- data | (input[*iarg][1] << 5) | 0x0010);
-
- udelay(10);
- break;
- }
-
- case DECODER_SET_OUTPUT:
- {
- int *iarg = arg;
-
- /* not much choice of outputs */
- if (*iarg != 0) {
- return -EINVAL;
- }
- break;
- }
-
- case DECODER_ENABLE_OUTPUT:
- {
- int *iarg = arg;
-
- v4l_dbg(1, debug, client, "DECODER_ENABLE_OUTPUT %d\n", *iarg);
-
- vpx3220_write(client, 0xf2, (*iarg ? 0x1b : 0x00));
- break;
- }
-
- case DECODER_SET_PICTURE:
- {
- struct video_picture *pic = arg;
-
- if (decoder->bright != pic->brightness) {
- /* We want -128 to 128 we get 0-65535 */
- decoder->bright = pic->brightness;
- vpx3220_write(client, 0xe6,
- (decoder->bright - 32768) >> 8);
- }
- if (decoder->contrast != pic->contrast) {
- /* We want 0 to 64 we get 0-65535 */
- /* Bit 7 and 8 is for noise shaping */
- decoder->contrast = pic->contrast;
- vpx3220_write(client, 0xe7,
- (decoder->contrast >> 10) + 192);
- }
- if (decoder->sat != pic->colour) {
- /* We want 0 to 4096 we get 0-65535 */
- decoder->sat = pic->colour;
- vpx3220_fp_write(client, 0xa0,
- decoder->sat >> 4);
- }
- if (decoder->hue != pic->hue) {
- /* We want -512 to 512 we get 0-65535 */
- decoder->hue = pic->hue;
- vpx3220_fp_write(client, 0x1c,
- ((decoder->hue - 32768) >> 6) & 0xFFF);
- }
- break;
- }
-
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int vpx3220_init_client(struct i2c_client *client)
-{
- vpx3220_write_block(client, init_common, sizeof(init_common));
- vpx3220_write_fp_block(client, init_fp, sizeof(init_fp) >> 1);
- /* Default to PAL */
- vpx3220_write_fp_block(client, init_pal, sizeof(init_pal) >> 1);
-
- return 0;
-}
-
-/* -----------------------------------------------------------------------
- * Client management code
- */
-
-static unsigned short normal_i2c[] = { 0x86 >> 1, 0x8e >> 1, I2C_CLIENT_END };
-
-I2C_CLIENT_INSMOD;
-
-static int vpx3220_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct vpx3220 *decoder;
- const char *name = NULL;
- u8 ver;
- u16 pn;
-
- /* Check if the adapter supports the needed features */
- if (!i2c_check_functionality(client->adapter,
- I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
- return -ENODEV;
-
- decoder = kzalloc(sizeof(struct vpx3220), GFP_KERNEL);
- if (decoder == NULL)
- return -ENOMEM;
- decoder->norm = VIDEO_MODE_PAL;
- decoder->input = 0;
- decoder->enable = 1;
- decoder->bright = 32768;
- decoder->contrast = 32768;
- decoder->hue = 32768;
- decoder->sat = 32768;
- i2c_set_clientdata(client, decoder);
-
- ver = i2c_smbus_read_byte_data(client, 0x00);
- pn = (i2c_smbus_read_byte_data(client, 0x02) << 8) +
- i2c_smbus_read_byte_data(client, 0x01);
- if (ver == 0xec) {
- switch (pn) {
- case 0x4680:
- name = "vpx3220a";
- break;
- case 0x4260:
- name = "vpx3216b";
- break;
- case 0x4280:
- name = "vpx3214c";
- break;
- }
- }
- if (name)
- v4l_info(client, "%s found @ 0x%x (%s)\n", name,
- client->addr << 1, client->adapter->name);
- else
- v4l_info(client, "chip (%02x:%04x) found @ 0x%x (%s)\n",
- ver, pn, client->addr << 1, client->adapter->name);
-
- vpx3220_init_client(client);
- return 0;
-}
-
-static int vpx3220_remove(struct i2c_client *client)
-{
- kfree(i2c_get_clientdata(client));
- return 0;
-}
-
-static const struct i2c_device_id vpx3220_id[] = {
- { "vpx3220a", 0 },
- { "vpx3216b", 0 },
- { "vpx3214c", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, vpx3220_id);
-
-static struct v4l2_i2c_driver_data v4l2_i2c_data = {
- .name = "vpx3220",
- .driverid = I2C_DRIVERID_VPX3220,
- .command = vpx3220_command,
- .probe = vpx3220_probe,
- .remove = vpx3220_remove,
- .id_table = vpx3220_id,
-};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-12 10:40:30 +0000