2 * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com
3 * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 #include <linux/kernel.h>
21 #include <linux/module.h>
22 #include <linux/pci.h>
23 #include <linux/interrupt.h>
24 #include <linux/videodev2.h>
27 #include "solo6010-tw28.h"
29 MODULE_DESCRIPTION("Softlogic 6010 MP4 Encoder/Decoder V4L2/ALSA Driver");
30 MODULE_AUTHOR("Ben Collins <bcollins@bluecherry.net>");
31 MODULE_VERSION(SOLO6010_VERSION);
32 MODULE_LICENSE("GPL");
34 void solo6010_irq_on(struct solo6010_dev *solo_dev, u32 mask)
36 solo_dev->irq_mask |= mask;
37 solo_reg_write(solo_dev, SOLO_IRQ_ENABLE, solo_dev->irq_mask);
40 void solo6010_irq_off(struct solo6010_dev *solo_dev, u32 mask)
42 solo_dev->irq_mask &= ~mask;
43 solo_reg_write(solo_dev, SOLO_IRQ_ENABLE, solo_dev->irq_mask);
46 /* XXX We should check the return value of the sub-device ISR's */
47 static irqreturn_t solo6010_isr(int irq, void *data)
49 struct solo6010_dev *solo_dev = data;
53 status = solo_reg_read(solo_dev, SOLO_IRQ_STAT);
57 if (status & ~solo_dev->irq_mask) {
58 solo_reg_write(solo_dev, SOLO_IRQ_STAT,
59 status & ~solo_dev->irq_mask);
60 status &= solo_dev->irq_mask;
63 if (status & SOLO_IRQ_PCI_ERR) {
64 u32 err = solo_reg_read(solo_dev, SOLO_PCI_ERR);
65 solo_p2m_error_isr(solo_dev, err);
66 solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_PCI_ERR);
69 for (i = 0; i < SOLO_NR_P2M; i++)
70 if (status & SOLO_IRQ_P2M(i))
71 solo_p2m_isr(solo_dev, i);
73 if (status & SOLO_IRQ_IIC)
74 solo_i2c_isr(solo_dev);
76 if (status & SOLO_IRQ_VIDEO_IN)
77 solo_video_in_isr(solo_dev);
79 /* Call this first so enc gets detected flag set */
80 if (status & SOLO_IRQ_MOTION)
81 solo_motion_isr(solo_dev);
83 if (status & SOLO_IRQ_ENCODER)
84 solo_enc_v4l2_isr(solo_dev);
86 if (status & SOLO_IRQ_G723)
87 solo_g723_isr(solo_dev);
92 static void free_solo_dev(struct solo6010_dev *solo_dev)
99 pdev = solo_dev->pdev;
101 /* If we never initialized the PCI device, then nothing else
102 * below here needs cleanup */
108 /* Bring down the sub-devices first */
109 solo_g723_exit(solo_dev);
110 solo_enc_v4l2_exit(solo_dev);
111 solo_enc_exit(solo_dev);
112 solo_v4l2_exit(solo_dev);
113 solo_disp_exit(solo_dev);
114 solo_gpio_exit(solo_dev);
115 solo_p2m_exit(solo_dev);
116 solo_i2c_exit(solo_dev);
118 /* Now cleanup the PCI device */
119 if (solo_dev->reg_base) {
120 solo6010_irq_off(solo_dev, ~0);
121 pci_iounmap(pdev, solo_dev->reg_base);
122 free_irq(pdev->irq, solo_dev);
125 pci_release_regions(pdev);
126 pci_disable_device(pdev);
127 pci_set_drvdata(pdev, NULL);
132 static int __devinit solo6010_pci_probe(struct pci_dev *pdev,
133 const struct pci_device_id *id)
135 struct solo6010_dev *solo_dev;
140 if ((solo_dev = kzalloc(sizeof(*solo_dev), GFP_KERNEL)) == NULL)
143 solo_dev->pdev = pdev;
144 spin_lock_init(&solo_dev->reg_io_lock);
145 pci_set_drvdata(pdev, solo_dev);
147 if ((ret = pci_enable_device(pdev)))
150 pci_set_master(pdev);
152 if ((ret = pci_request_regions(pdev, SOLO6010_NAME)))
155 if ((solo_dev->reg_base = pci_ioremap_bar(pdev, 0)) == NULL) {
160 chip_id = solo_reg_read(solo_dev, SOLO_CHIP_OPTION) &
164 solo_dev->nr_chans = 16;
165 solo_dev->nr_ext = 5;
168 solo_dev->nr_chans = 8;
169 solo_dev->nr_ext = 2;
172 dev_warn(&pdev->dev, "Invalid chip_id 0x%02x, "
173 "defaulting to 4 channels\n",
176 solo_dev->nr_chans = 4;
177 solo_dev->nr_ext = 1;
180 /* Disable all interrupts to start */
181 solo6010_irq_off(solo_dev, ~0);
183 /* Initial global settings */
184 solo_reg_write(solo_dev, SOLO_SYS_CFG, SOLO_SYS_CFG_SDRAM64BIT |
185 SOLO_SYS_CFG_INPUTDIV(25) |
186 SOLO_SYS_CFG_FEEDBACKDIV((SOLO_CLOCK_MHZ * 2) - 2) |
187 SOLO_SYS_CFG_OUTDIV(3));
188 solo_reg_write(solo_dev, SOLO_TIMER_CLOCK_NUM, SOLO_CLOCK_MHZ - 1);
190 /* PLL locking time of 1ms */
193 ret = request_irq(pdev->irq, solo6010_isr, IRQF_SHARED, SOLO6010_NAME,
198 /* Handle this from the start */
199 solo6010_irq_on(solo_dev, SOLO_IRQ_PCI_ERR);
201 if ((ret = solo_i2c_init(solo_dev)))
204 /* Setup the DMA engine */
205 sdram = (solo_dev->nr_chans >= 8) ? 2 : 1;
206 solo_reg_write(solo_dev, SOLO_DMA_CTRL,
207 SOLO_DMA_CTRL_REFRESH_CYCLE(1) |
208 SOLO_DMA_CTRL_SDRAM_SIZE(sdram) |
209 SOLO_DMA_CTRL_SDRAM_CLK_INVERT |
210 SOLO_DMA_CTRL_READ_CLK_SELECT |
211 SOLO_DMA_CTRL_LATENCY(1));
213 if ((ret = solo_p2m_init(solo_dev)))
216 if ((ret = solo_disp_init(solo_dev)))
219 if ((ret = solo_gpio_init(solo_dev)))
222 if ((ret = solo_tw28_init(solo_dev)))
225 if ((ret = solo_v4l2_init(solo_dev)))
228 if ((ret = solo_enc_init(solo_dev)))
231 if ((ret = solo_enc_v4l2_init(solo_dev)))
234 if ((ret = solo_g723_init(solo_dev)))
240 free_solo_dev(solo_dev);
244 static void __devexit solo6010_pci_remove(struct pci_dev *pdev)
246 struct solo6010_dev *solo_dev = pci_get_drvdata(pdev);
248 free_solo_dev(solo_dev);
251 static struct pci_device_id solo6010_id_table[] = {
252 {PCI_DEVICE(PCI_VENDOR_ID_SOFTLOGIC, PCI_DEVICE_ID_SOLO6010)},
253 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_4)},
254 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_9)},
255 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_NEUSOLO_16)},
256 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_COMMSOLO_4)},
257 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_COMMSOLO_9)},
258 {PCI_DEVICE(PCI_VENDOR_ID_BLUECHERRY, PCI_DEVICE_ID_COMMSOLO_16)},
262 MODULE_DEVICE_TABLE(pci, solo6010_id_table);
264 static struct pci_driver solo6010_pci_driver = {
265 .name = SOLO6010_NAME,
266 .id_table = solo6010_id_table,
267 .probe = solo6010_pci_probe,
268 .remove = solo6010_pci_remove,
271 static int __init solo6010_module_init(void)
273 return pci_register_driver(&solo6010_pci_driver);
276 static void __exit solo6010_module_exit(void)
278 pci_unregister_driver(&solo6010_pci_driver);
281 module_init(solo6010_module_init);
282 module_exit(solo6010_module_exit);