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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 16:23:43 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 16:42:14 -0300
commitcb7a01ac324bf2ee2c666f37ac867e4135f9785a (patch)
tree7246b915a9334d4bc823c93ba9acab65ef882678 /drivers/media/video/vpx3220.c
parentf0af8fa4dad0839f844fd0633e1936493f6d685a (diff)
[media] move i2c files into drivers/media/i2c
Move ancillary I2C drivers into drivers/media/i2c, in order to better organize them. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/vpx3220.c')
-rw-r--r--drivers/media/video/vpx3220.c591
1 files changed, 0 insertions, 591 deletions
diff --git a/drivers/media/video/vpx3220.c b/drivers/media/video/vpx3220.c
deleted file mode 100644
index 2f67b4c5c823..000000000000
--- a/drivers/media/video/vpx3220.c
+++ /dev/null
@@ -1,591 +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 <linux/slab.h>
-#include <asm/uaccess.h>
-#include <linux/i2c.h>
-#include <linux/videodev2.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
-#include <media/v4l2-ctrls.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 {
- struct v4l2_subdev sd;
- struct v4l2_ctrl_handler hdl;
- unsigned char reg[255];
-
- v4l2_std_id norm;
- int ident;
- int input;
- int enable;
-};
-
-static inline struct vpx3220 *to_vpx3220(struct v4l2_subdev *sd)
-{
- return container_of(sd, struct vpx3220, sd);
-}
-
-static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
-{
- return &container_of(ctrl->handler, struct vpx3220, hdl)->sd;
-}
-
-static char *inputs[] = { "internal", "composite", "svideo" };
-
-/* ----------------------------------------------------------------------- */
-
-static inline int vpx3220_write(struct v4l2_subdev *sd, u8 reg, u8 value)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- 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 v4l2_subdev *sd, u8 reg)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- return i2c_smbus_read_byte_data(client, reg);
-}
-
-static int vpx3220_fp_status(struct v4l2_subdev *sd)
-{
- unsigned char status;
- unsigned int i;
-
- for (i = 0; i < VPX_TIMEOUT_COUNT; i++) {
- status = vpx3220_read(sd, 0x29);
-
- if (!(status & 4))
- return 0;
-
- udelay(10);
-
- if (need_resched())
- cond_resched();
- }
-
- return -1;
-}
-
-static int vpx3220_fp_write(struct v4l2_subdev *sd, u8 fpaddr, u16 data)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- /* Write the 16-bit address to the FPWR register */
- if (i2c_smbus_write_word_data(client, 0x27, swab16(fpaddr)) == -1) {
- v4l2_dbg(1, debug, sd, "%s: failed\n", __func__);
- return -1;
- }
-
- if (vpx3220_fp_status(sd) < 0)
- return -1;
-
- /* Write the 16-bit data to the FPDAT register */
- if (i2c_smbus_write_word_data(client, 0x28, swab16(data)) == -1) {
- v4l2_dbg(1, debug, sd, "%s: failed\n", __func__);
- return -1;
- }
-
- return 0;
-}
-
-static u16 vpx3220_fp_read(struct v4l2_subdev *sd, u16 fpaddr)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- s16 data;
-
- /* Write the 16-bit address to the FPRD register */
- if (i2c_smbus_write_word_data(client, 0x26, swab16(fpaddr)) == -1) {
- v4l2_dbg(1, debug, sd, "%s: failed\n", __func__);
- return -1;
- }
-
- if (vpx3220_fp_status(sd) < 0)
- return -1;
-
- /* Read the 16-bit data from the FPDAT register */
- data = i2c_smbus_read_word_data(client, 0x28);
- if (data == -1) {
- v4l2_dbg(1, debug, sd, "%s: failed\n", __func__);
- return -1;
- }
-
- return swab16(data);
-}
-
-static int vpx3220_write_block(struct v4l2_subdev *sd, const u8 *data, unsigned int len)
-{
- u8 reg;
- int ret = -1;
-
- while (len >= 2) {
- reg = *data++;
- ret = vpx3220_write(sd, reg, *data++);
- if (ret < 0)
- break;
- len -= 2;
- }
-
- return ret;
-}
-
-static int vpx3220_write_fp_block(struct v4l2_subdev *sd,
- const u16 *data, unsigned int len)
-{
- u8 reg;
- int ret = 0;
-
- while (len > 1) {
- reg = *data++;
- ret |= vpx3220_fp_write(sd, 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 int vpx3220_init(struct v4l2_subdev *sd, u32 val)
-{
- struct vpx3220 *decoder = to_vpx3220(sd);
-
- vpx3220_write_block(sd, init_common, sizeof(init_common));
- vpx3220_write_fp_block(sd, init_fp, sizeof(init_fp) >> 1);
- if (decoder->norm & V4L2_STD_NTSC)
- vpx3220_write_fp_block(sd, init_ntsc, sizeof(init_ntsc) >> 1);
- else if (decoder->norm & V4L2_STD_PAL)
- vpx3220_write_fp_block(sd, init_pal, sizeof(init_pal) >> 1);
- else if (decoder->norm & V4L2_STD_SECAM)
- vpx3220_write_fp_block(sd, init_secam, sizeof(init_secam) >> 1);
- else
- vpx3220_write_fp_block(sd, init_pal, sizeof(init_pal) >> 1);
- return 0;
-}
-
-static int vpx3220_status(struct v4l2_subdev *sd, u32 *pstatus, v4l2_std_id *pstd)
-{
- int res = V4L2_IN_ST_NO_SIGNAL, status;
- v4l2_std_id std = 0;
-
- status = vpx3220_fp_read(sd, 0x0f3);
-
- v4l2_dbg(1, debug, sd, "status: 0x%04x\n", status);
-
- if (status < 0)
- return status;
-
- if ((status & 0x20) == 0) {
- res = 0;
-
- switch (status & 0x18) {
- case 0x00:
- case 0x10:
- case 0x14:
- case 0x18:
- std = V4L2_STD_PAL;
- break;
-
- case 0x08:
- std = V4L2_STD_SECAM;
- break;
-
- case 0x04:
- case 0x0c:
- case 0x1c:
- std = V4L2_STD_NTSC;
- break;
- }
- }
- if (pstd)
- *pstd = std;
- if (pstatus)
- *pstatus = res;
- return 0;
-}
-
-static int vpx3220_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
-{
- v4l2_dbg(1, debug, sd, "querystd\n");
- return vpx3220_status(sd, NULL, std);
-}
-
-static int vpx3220_g_input_status(struct v4l2_subdev *sd, u32 *status)
-{
- v4l2_dbg(1, debug, sd, "g_input_status\n");
- return vpx3220_status(sd, status, NULL);
-}
-
-static int vpx3220_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
-{
- struct vpx3220 *decoder = to_vpx3220(sd);
- int temp_input;
-
- /* Here we back up the input selection because it gets
- overwritten when we fill the registers with the
- chosen video norm */
- temp_input = vpx3220_fp_read(sd, 0xf2);
-
- v4l2_dbg(1, debug, sd, "s_std %llx\n", (unsigned long long)std);
- if (std & V4L2_STD_NTSC) {
- vpx3220_write_fp_block(sd, init_ntsc, sizeof(init_ntsc) >> 1);
- v4l2_dbg(1, debug, sd, "norm switched to NTSC\n");
- } else if (std & V4L2_STD_PAL) {
- vpx3220_write_fp_block(sd, init_pal, sizeof(init_pal) >> 1);
- v4l2_dbg(1, debug, sd, "norm switched to PAL\n");
- } else if (std & V4L2_STD_SECAM) {
- vpx3220_write_fp_block(sd, init_secam, sizeof(init_secam) >> 1);
- v4l2_dbg(1, debug, sd, "norm switched to SECAM\n");
- } else {
- return -EINVAL;
- }
-
- decoder->norm = std;
-
- /* And here we set the backed up video input again */
- vpx3220_fp_write(sd, 0xf2, temp_input | 0x0010);
- udelay(10);
- return 0;
-}
-
-static int vpx3220_s_routing(struct v4l2_subdev *sd,
- u32 input, u32 output, u32 config)
-{
- int data;
-
- /* RJ: input = 0: ST8 (PCTV) input
- input = 1: COMPOSITE input
- input = 2: SVHS input */
-
- const int input_vals[3][2] = {
- {0x0c, 0},
- {0x0d, 0},
- {0x0e, 1}
- };
-
- if (input > 2)
- return -EINVAL;
-
- v4l2_dbg(1, debug, sd, "input switched to %s\n", inputs[input]);
-
- vpx3220_write(sd, 0x33, input_vals[input][0]);
-
- data = vpx3220_fp_read(sd, 0xf2) & ~(0x0020);
- if (data < 0)
- return data;
- /* 0x0010 is required to latch the setting */
- vpx3220_fp_write(sd, 0xf2,
- data | (input_vals[input][1] << 5) | 0x0010);
-
- udelay(10);
- return 0;
-}
-
-static int vpx3220_s_stream(struct v4l2_subdev *sd, int enable)
-{
- v4l2_dbg(1, debug, sd, "s_stream %s\n", enable ? "on" : "off");
-
- vpx3220_write(sd, 0xf2, (enable ? 0x1b : 0x00));
- return 0;
-}
-
-static int vpx3220_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct v4l2_subdev *sd = to_sd(ctrl);
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- vpx3220_write(sd, 0xe6, ctrl->val);
- return 0;
- case V4L2_CID_CONTRAST:
- /* Bit 7 and 8 is for noise shaping */
- vpx3220_write(sd, 0xe7, ctrl->val + 192);
- return 0;
- case V4L2_CID_SATURATION:
- vpx3220_fp_write(sd, 0xa0, ctrl->val);
- return 0;
- case V4L2_CID_HUE:
- vpx3220_fp_write(sd, 0x1c, ctrl->val);
- return 0;
- }
- return -EINVAL;
-}
-
-static int vpx3220_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
-{
- struct vpx3220 *decoder = to_vpx3220(sd);
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- return v4l2_chip_ident_i2c_client(client, chip, decoder->ident, 0);
-}
-
-/* ----------------------------------------------------------------------- */
-
-static const struct v4l2_ctrl_ops vpx3220_ctrl_ops = {
- .s_ctrl = vpx3220_s_ctrl,
-};
-
-static const struct v4l2_subdev_core_ops vpx3220_core_ops = {
- .g_chip_ident = vpx3220_g_chip_ident,
- .init = vpx3220_init,
- .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
- .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
- .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
- .g_ctrl = v4l2_subdev_g_ctrl,
- .s_ctrl = v4l2_subdev_s_ctrl,
- .queryctrl = v4l2_subdev_queryctrl,
- .querymenu = v4l2_subdev_querymenu,
- .s_std = vpx3220_s_std,
-};
-
-static const struct v4l2_subdev_video_ops vpx3220_video_ops = {
- .s_routing = vpx3220_s_routing,
- .s_stream = vpx3220_s_stream,
- .querystd = vpx3220_querystd,
- .g_input_status = vpx3220_g_input_status,
-};
-
-static const struct v4l2_subdev_ops vpx3220_ops = {
- .core = &vpx3220_core_ops,
- .video = &vpx3220_video_ops,
-};
-
-/* -----------------------------------------------------------------------
- * Client management code
- */
-
-static int vpx3220_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct vpx3220 *decoder;
- struct v4l2_subdev *sd;
- 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;
- sd = &decoder->sd;
- v4l2_i2c_subdev_init(sd, client, &vpx3220_ops);
- decoder->norm = V4L2_STD_PAL;
- decoder->input = 0;
- decoder->enable = 1;
- v4l2_ctrl_handler_init(&decoder->hdl, 4);
- v4l2_ctrl_new_std(&decoder->hdl, &vpx3220_ctrl_ops,
- V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
- v4l2_ctrl_new_std(&decoder->hdl, &vpx3220_ctrl_ops,
- V4L2_CID_CONTRAST, 0, 63, 1, 32);
- v4l2_ctrl_new_std(&decoder->hdl, &vpx3220_ctrl_ops,
- V4L2_CID_SATURATION, 0, 4095, 1, 2048);
- v4l2_ctrl_new_std(&decoder->hdl, &vpx3220_ctrl_ops,
- V4L2_CID_HUE, -512, 511, 1, 0);
- sd->ctrl_handler = &decoder->hdl;
- if (decoder->hdl.error) {
- int err = decoder->hdl.error;
-
- v4l2_ctrl_handler_free(&decoder->hdl);
- kfree(decoder);
- return err;
- }
- v4l2_ctrl_handler_setup(&decoder->hdl);
-
- ver = i2c_smbus_read_byte_data(client, 0x00);
- pn = (i2c_smbus_read_byte_data(client, 0x02) << 8) +
- i2c_smbus_read_byte_data(client, 0x01);
- decoder->ident = V4L2_IDENT_VPX3220A;
- if (ver == 0xec) {
- switch (pn) {
- case 0x4680:
- name = "vpx3220a";
- break;
- case 0x4260:
- name = "vpx3216b";
- decoder->ident = V4L2_IDENT_VPX3216B;
- break;
- case 0x4280:
- name = "vpx3214c";
- decoder->ident = V4L2_IDENT_VPX3214C;
- break;
- }
- }
- if (name)
- v4l2_info(sd, "%s found @ 0x%x (%s)\n", name,
- client->addr << 1, client->adapter->name);
- else
- v4l2_info(sd, "chip (%02x:%04x) found @ 0x%x (%s)\n",
- ver, pn, client->addr << 1, client->adapter->name);
-
- vpx3220_write_block(sd, init_common, sizeof(init_common));
- vpx3220_write_fp_block(sd, init_fp, sizeof(init_fp) >> 1);
- /* Default to PAL */
- vpx3220_write_fp_block(sd, init_pal, sizeof(init_pal) >> 1);
- return 0;
-}
-
-static int vpx3220_remove(struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
- struct vpx3220 *decoder = to_vpx3220(sd);
-
- v4l2_device_unregister_subdev(sd);
- v4l2_ctrl_handler_free(&decoder->hdl);
- kfree(decoder);
- return 0;
-}
-
-static const struct i2c_device_id vpx3220_id[] = {
- { "vpx3220a", 0 },
- { "vpx3216b", 0 },
- { "vpx3214c", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, vpx3220_id);
-
-static struct i2c_driver vpx3220_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "vpx3220",
- },
- .probe = vpx3220_probe,
- .remove = vpx3220_remove,
- .id_table = vpx3220_id,
-};
-
-module_i2c_driver(vpx3220_driver);